Best Fuel Efficient Generator

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When you choose a generator to survive a blackout, it is necessary to select the best fuel-efficient generator.


Probably, you don’t want a generator that consumes plenty of fuel and puts an extra burden on your pocket.


Choosing the best fuel-efficient generator out of plenty of options is an uphill task. You may make mistakes and ruin your budget.


But wait – we have good news!


We have extensively researched and tested the best fuel-efficient generators in the market. We are confident that we got the best fuel-efficient generators list.


So, you don’t need to do anything as we have done everything for you!


We evaluated each of these generators in-depth and will share our honest review so that you can get maximum value for your money.


Top 10 Best Fuel-Efficient Generator + Buying Tips


Ready to know about these fuel-efficient generators? Let’s start our guide!


“Top Pick”

DuroMax XP10000EH

“Dual Fuel Portable Generator”

  • Wattage: 10000 Watts
  • AC Output: 120V
  • Power Source: Gasoline, Propane


After extensive research on the best fuel-efficient generators, we found a DuraMax top-notch fuel-efficient generator with good power capacity. DuroMax has excellent features to support you in emergencies and blackouts. No matter whether you use it indoors or outdoors, Duramax can be your faithful power partner.”


Top 10 Best Fuel Efficient Generator Comparison Table


Product Wattage AC Output Power Source
DuroMax XP10000EH Dual Fuel Portable Generator 10000 Watts 120V Gasoline, Propane
Champion Power Equipment 200961 2500 Watts 120V Gasoline, Liquefied Petroleum Gas
Champion Power Equipment 200914 4250 Watts 120V Gasoline, Liquefied Petroleum Gas
Pulsar 2,200W Portable Dual Fuel Quiet Inverter Generator 2200 Watts 120V Gasoline, Liquefied Petroleum Gas
Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator 12000 Watts 120/240V Gasoline, Liquefied Petroleum Gas
Champion Power Equipment 76533 4750 Watts 120V Gasoline, Propane
All Power America APGG12000GL 12000 Watts 120/240V Gas, Propane
WEN 56200i 2000-Watt Portable Inverter Generator 2000 Watts 120V Gas
A-iPower SUA2000iD 2000 Watt Portable Inverter Generator 2000 Watts 120V Gasoline, Liquefied Petroleum Gas
Westinghouse WGen3600DF 4250 Watts 120V Gasoline, Liquefied Petroleum Gas


DuroMax XP10000EH Dual Fuel Portable Generator –  Our Top Pick Generator

DuroMax is our top pick generator that comes with great features. If you are tired of high-fuel-consuming generators, DuroMax is for you!



DuroMax is a high-power generator that has 10000 starting watts and 8000 running watts. It provides good power at low fuel.


This is an excellent feature that you must consider before buying a generator.


Not only is it a fuel-efficient generator, but it also provides sufficient power to run all of your high-power home appliances. Run your refrigerator, Tv, and Ac freely.


DuroMax is powered by a 439cc OHV engine that does the job effectively


It’s a dual-fuel technology generator. You have the option to choose between propane and Gas. Select whatever suits you in your time of need!


Its idle control feature allows you to reduce the RMPs of your generator when you don’t use it, lower noise, and save fuel.


Through its MX2 technology, you will get maximum power from each 120-volt receptacle.


DuroMax is a metal-constructed, Eco friendly, and affordable generator.


With this generator, you’ll get a 120 /240V 50A heavy-duty outlet × 1, 120/240V 30A twist lock ×1, 120V 30A twist lock ×1, 120V 20 standard outlets ×2.


Get peace of mind in power shortage time, and use DuroMax.



  • Easy-to-use generator
  • Provide good power capacity
  • Heavy duty outlet
  • Perfect for indoor and outdoor use



  • A bit noisy and heavy generator


Our Opinion

DuroMax is the best fuel-efficient generator with a low oil sensor, Dc charging, an Ac breaker, Idle control, and a voltmeter. It is best for Vans, RVs, house backup, and job sites. Get the DuroMax to survive in the dark!


Champion Power Equipment 200961 – Our Editor’s choice

Champion power is 2500 watt black and yellow contrast elegant generator. It is a compact briefcase like a generator and highly lightweight.


This dual-fuel inverter generator provides fuel efficiency and affordability.



This mini generator provides you with the best power capacity. It produces 2500 starting watts and 1850 running watts on gasoline, and 1650 running watts on propane.


Its incredible feature is dual fuel efficiency. Do not worry if you sometimes run out of gas; you can switch between gas and propane easily.


If you are tired of high-noise generators, the champion is for you as its noise level is just 53 dBa. So, it’s an ultra-quiet generator – best for your house backup.


It has a parallel capacity to double the power output. You need to buy a parallel kit to integrate another 2500-watt generator to enhance power capacity.


Most interestingly, it provides clean power with less than 3% THD.


The tank size is 1.1 gal. You can run your generator for up to 11 hours on gas and up to 34 hours on propane as it is a fuel-efficient generator and provides a long running time.



  • Parallel ready generator
  • EPA-certified and CARB compliant
  • Provide clean electricity
  • Portable with just 39 pounds of weight



  • Can’t run high-power electronics


Our Opinion

Champion fuel-efficient generator is EPA certified and CARB compliant with three years of warranty and lifetime technical support. In our opinion, it is a reasonable and good generator with adequate power capacity and running time.


Champion Power Equipment 200914 – Hybrid Design Generator

We have another best champion generator on our list. Champion is famous for making fuel-efficient and best-performing generators. They have been creating generators since 2003. Since then, they have sold around 3 million generators and satisfied customers’ power needs.


Here, we will review a champion’s latest power equipment, a 200914 model.


Let’s look into its features and see why you should buy a Champion.



We love champions because of their excellent power capacity. Champion 200914 provides 4250 starting watts and 3500 running watts.


Its powerful 4-stroke 224cc engine supports you to run most of your electronic devices.


It’s dual fuel technology with 79 pounds weight. This generator is less heavy compared to the traditional champion generator.


Dual fuel features help you to choose between propane and Gas.


Let’s discuss an essential feature: fuel efficiency. Do you know the champion provides Economy mode? Yes – you can save fuel in economy mode. Its fuel efficiency is better than other traditional generators that consume a lot of fuel.


It has a 120V 30A RV, plus two 120V 20A household outlets and a 12V DC outlet with a dual USB adapter.


It’s best for RV as it is an RV-ready generator with a 64 dBA noise level. Not bad at all.


It comes with a covered circuit breaker and has a good running time. Run your generator for up to 22 hours on gas and 21 hours on propane.


So, it is worth buying a generator. You’ll get a Propane (LPG) Hose, USB Adapter, Engine Oil, and Oil Funnel with the generator.


Get ready to start living on wheels  & outside camping, as it is perfect for all your outdoor power requirements.


If you live in an RV,  it can also power an RV AC. See, it’s excellent and worth investing in.



  • 3 years of warranty and free lifetime technical support
  • Parallel ready generator
  • Good for RV
  • Cold start technology
  • Economy mode and consume less fuel
  • Quiet technology



  • No Carb and EPA compliant


Our Opinion

It’s parallel-ready; you can double the power by connecting another generator. It provides a clean power supply suitable for all your sensitive appliances. Get this all-in-one generator at a reasonable price with cold start technology. Start your generator and live conveniently!


Pulsar 2,200W Portable Dual Fuel Quiet Inverter Generator – Portable Generator


If you are looking for a portable yet powerful generator, a pulsar is a good option.


It is a handy generator that you can bring anywhere. Besides this, it provides good power capacity. The effective generator is capable of fulfilling your power needs and will get you out of the dark!


Curious about its features. Don’t rush!


We will disclose all of its impressive features so that you can decide whether you should buy it or not.



Pulsar is a blue and black color generator with a good handle. You can make a firm grip on the generator and take it with you when you need a power outside. Interesting?


Its portability and weight are another plus point. Weight is just 44 pounds. If you are not a fan of heavy generators, you should consider pulsar.


It is a dual-fuel generator that gives you gas and LPG options. Choose what works best for you.


Pulsar provides 2200 peak watts and 1800 rated watts on gas and 2000 peak watts and 1600 rated watts on LPG.


this generator comes with ( 2) 120V 15A AC outlets, (1) 5V integrated USB outlets, and parallel sockets.


It is a parallel-capable generator with less operational noise. It gives a recoil start low oil shutdown feature. Do not bother if the oil level is low; the generator will automatically shut down.


Pulsar has a 1.18-gallon fuel tank. Keep it running for almost 8 hours on a single tank of gas. You can run it for 75 minutes on a 1-pound LPG tank at ½ load.


It has a stable sine wave; use your sensitive equipment freely without damage risk.


This fantastic generator is CARB, CSA, and EPA compliant.



  • Lightweight
  • Easy to carry
  • Carb, EPA, and CSA compliant
  • Sine wave technology
  • Quiet generator with recoil start feature



  • You can’t power your whole appliances


Our Opinion 

This dual-fuel lightweight generator is perfect for tailgating, camping, and other outdoor recreation. You can use it as a power backup in the house and remain powered when stuck in an emergency.


It’s a quiet model generator that won’t disturb your neighbor. In our opinion, it is exactly what you are looking for. Grab yours to tackle energy crises.


Pulsar G12KBN Heavy-Duty Portable Dual Fuel Generator – Heavy-Duty Generator

Another powerful generator in the market. Pulsar is efficient at running high-duty appliances and devices.


If you need a generator for the house to run your whole home, we recommend buying this amazing generator.


It’s the latest and RV-ready generator with dual fuel technology.


We have not done it yet. Pulsar has a lot of cool features. Let’s look at these features.



As we said before, it is a high-wattage generator that provides 12000 peak watts, 95000 running watts on gasoline, 10800 peak watts, and 8550 rated watts on LPG.


As we know, it’s becoming hard to get gasoline when you need it. In a shortage situation, you can get LPG to run your generator. But it can only happen if you have a dual-fuel technology generator.


Luckily, pulsar allows us to choose between LPG and Gasoline. Investing in such a generator is a worth-doing.


Pulsar comes with a 457cc, single-cylinder, 4-Stroke, air-cooled OHV engine with an electric start option. It gives you ease to start the generator effortlessly.


Pulsar running time depends on the fuel type. However, you can keep a generator running for more than 12 hours at half load using Gasoline.


Pulsar has (4) 120V 20A AC outlets, (1) 120V/240V 30A twist-lock outlet, (1) 120V/240V 50A outlet, and(1)  12V DC output. You can run most of your appliances and devices effectively.


The fuel tank is 8 gallons. However, you can run it for a long time because of its fuel efficiency.


Not only this, pulsar has a low oil shut-off feature that keeps you away from the trouble of checking the generator oil again and again. It’ll automatically shut off if oil reaches a certain level.


It has automatic voltage regulation and a 3-in-one digital meter.



  • One year of warranty
  • Dual fuel technology
  • RV ready generator
  • Carb compliant
  • Cost-effective and digital display feature



  • Noisy and heavy


Our Opinion

Although it is a heavyweight generator, its solid handle and never-flat tires support you in moving it around conveniently.  As it is a heavy-duty generator that consumes less oil, it is suitable for work and home needs.


Champion Power Equipment 76533 – Highly efficient generator

Again, we have champions on our list. We love this brand because of its reliability, durability, and high performance.


The Champion knows how to make customers happy.


Do you want to be a happy and satisfied Customer of champion?


You should be as no other brand provides that much good technical support to its customers.


But before making a decision, you need to check the feature details of Champion 76533.



Champion is a 3800-watt black and yellow contrast generator.


It has two solid wheels and a handle that makes it easy to transport the generator anywhere. Use it on your work site or at home. The Champion knows how to satisfy customers’ power needs.


It has a 224cc champion engine that offers a recoil and electric start option.


It has One 120V 30A RV outlet (TT-30R), one 120V 30A locking outlet (L5-30R), and two 120V 20A household outlets (5-20R).


Its dual-fuel technology enables you to run your generator on gas or propane. It has intelli gauge to help you track voltage, runtime, and hertz.


It has plenty of uses; you can use it on work sites, events, DIY projects, RV, and power outages.


This RV-ready generator is efficient for running an RV air conditioner as well.


Besides this, get a good running time. It’ll work more than 9 hours on gas and 10 hours on propane.


The noise level is 63 DBA from 23feet. Not bad!



  • Cold start technology
  • RV ready generator
  • Low oil shut-off feature
  • Digital meter
  • Lifetime technical support



  • A bit noisy generator


Our Opinion

Champion is a sound generator in a market with excellent running time and many good features. The most impressive thing is three years of warranty and free line time technical support. While running a generator, if you ever encounter any problem, you can get it sorted out efficiently by the champion team.


So, in our opinion, it’s a good working generator at a reasonable price.


All Power America APGG12000GL – Best Durable generator in the Market


All power America is a sound generator brand that provides suitable fuel-efficient generators.


This All Power America is an excellent built-in steel generator with red and black contrast.


If you are searching for a heavy-duty and fuel-efficient generator, All power America can be a good choice.


Need to know its features before purchasing? Let’s look deeper into it.



It is a dual-fuel generator; you can run it on LPG or Gas. It provides 12000-watt peak power and 9000 watts rated power on gas.


On LPG, it provides 9500 peak Power and 7250 rated power.


This incredible fuel-efficient generator has 18HP 459cc OHV air-cooled engine that has a good running time.


You can run it for more than 10 hours at ½ load.


It has 2x 120VAC 20A outlets, 1x 120V twist-lock AC 30A outlet, 1x 120/240V twist-lock AC 30A outlet, and 1× AC 120V/240V AC 50A Outlet.


This is a red and black  contrast generator. It has two never-flat wheels and two strong handles, which makes it easy to move the generator.


It has an electric start and recoil start option. The fuel tank is 8 gallons, and the noise level is 76 DB.


As it is a high-power generator, you can quickly run your heavy devices and appliances.


All power America is the best reliable and most durable generator in the market with fuel-efficient technology.



  • Good power capacity
  • EPA compliant
  • Strong foldable handles
  • Never flat tires
  • Easily moveable generator



  • It Can’t be shipped to California as it is not CARB-compliant.


Our Opinion

Best heavy-duty generator to run your whole house. It is suitable for home, work sites and tailgating, and camping. All power America is fuel efficient runs more extended and consumes less energy.


WEN 56200i 2000-Watt Portable Inverter Generator – Budget-friendly generator

Get a portable WEN 56200i generator and say goodbye to the power shortage issues.


It’s another super cool and best-performing fuel-efficient generator. It can be your great partner in the office, work, house, and camping.


No matter where you are, WEN will be there to save you from power scarcity problems.


Its portability makes it exceptionally convenient to carry.


Are you interested in knowing the features of WEN?  Stay connected!



WEN is a small-size black and orange contrast generator. Its weight is just 48 lbs which makes it super easy to carry.


If you need a handy generator, WEN can be your first choice.


It’s specially designed for camping, tailgating, and outside activities.


Another feature that impressed us most was the noise level. The noise level is 53db. Pretty good so far.


We know high-noise generators can affect the people around you; let’s just not disturb the surrounding people and get a WEN to cover power needs.


It produces clean energy. So, use this portable generator freely; your sensitive devices won’t get damaged.


It comes with two three-prong 120V receptacles, one 12V DC receptacle, and one 5V USB port.


It has a 79.7 cc 4-stroke OHV engine that produces 2000 surge and 1600 rated watts, suitable for indoor and outdoor requirements.


The main feature is its Eco mode which reduces oil consumption, and you can save money on fuel. Isn’t it worth buying a generator?


Yes? So, what are you looking for? Get yours and get the job done effectively.



  • Lightweight model
  • Produce reliable and clean power with THD
  • Parallel capability
  • Low noise generator
  • EPA and CARB Compliant
  • Budget-friendly



  • No voltage Selector


Our Opinion

It’s the best fuel efficient 2000 w inverter generator that performs tasks skillfully. It provides what you need. We are delighted with this generator as we have used it for a long time. Low noise is an additional plus point. We will say it is a highly recommended generator!


A-iPower SUA2000iD 2000 Watt Portable Inverter Generator – Less fuel-consuming generator

If you are looking for a fuel-efficient and quiet portable generator, you need to consider A-i Power.


Let’s discuss why you should buy this good-performing generator.



It is a 2000-watt red and black color generator.  Its weight is just 55 pounds and comes with a solid handle. You can imagine how easy it is to carry such a lightweight generator. You will convenient to move around.


this is a dual-fuel generator you can use on gasoline and propane. It produces 2000 starting watts and 1600 running watts of gas. However, on propane, it provides 1800 starting watts and 1500 running watts.


This inverter generator provides clean power with less than 3% THD. Run laptops and TVs and charge phones safely.


It offers 1x NEMA 120VAC 20A Household, 1x NEMA 120VAC 30A L5-30R Locking, and 1x 5V USB Outlet.


Besides this, it has a good run time. You can keep it running for 4 hours at 100% load and for 8 hours at 50% load.


It is a parallel capable generator and comes with three years of warranty.


You’ll get an LPG hose, engine oil, RV adapter, and parallel cord with the generator.



  • Low noise
  • Portable
  • Dual fuel technology
  • EPA compliant
  • Produce clean power with less than 3% THD
  • 3 years of warranty



  • It can’t support heavy-duty appliances


Our Opinion

It’s a fuel-saving and portable generator – best for camping, boating, fishing, RV, and van, and even suitable for house needs. It is a less noisy generator. So, you can use it without disturbing your neighbors.


Westinghouse WGen3600DF – Medium-duty generator

Westinghouse is a famous generator brand that has been making excellent and efficient generators for a while now.


You must have heard of this brand!


However, we will now review the Westinghouse WGen3600DF fuel-efficient generator.


Let’s check its unique features.



Westinghouse is a dual-fuel technology generator. Run it on gasoline or propane, whatever suits you.


It provides 3600 rated and 4650 peak watts on gasoline. On propane, you’ll get 3240 rated and 4650 peak watts.


The tank size is 4 gallons. You’ll get an electric start and remote start features.


Starting a generator is easy!


It has a 5-20R 120V Duplex Outlet, an RV-Ready TT-30R 30 Amp Outlet, and an L5-30R 30 Amp Outlet.


A 212cc Westinghouse 4-Stroke OHV Engine powers Westinghouse.


Not only this, it has a good control panel and a low oil shut-off feature.


It is an RV-ready generator that can run an RV air conditioner.


You can keep this fuel-efficient medium-sized generator running for more than 14 hours on 4-gallon fuel. Good running time; enough for power shortage days.


This generator is EPA and CARB-compliant; it has never-flat wheels, and firm handles help you move your generator quickly.


Westinghouse gives three years of product warranty and lifetime technical support.



  • 3-year warranty
  • RV ready
  • Easy to start and maintain
  • Propane regulator hose
  • EPA and CARB compliant



  • A heavy and noisy generator


Our Opinion

It is an effortless start generator with medium size power capacity. It is best for power scarcity time. Keep yourself powered for a long time. Westinghouse is on our recommended list because of its portability and reliability.


Best Fuel-Efficient Generator Buying Tips


Are you still confused about what type of generator you should buy? Do not worry; we are here to help you out.


Our best fuel-efficient generator tips will help you select a generator according to your needs.


Do not skip, and go through these helpful tips to get the best generator in the market.


Types of Generator

There are many types of fuel-efficient generators. It will help if you are very careful while choosing, as many options can get you confused. There are fuel-efficient gas-powered generators, fuel-efficient portable generators, fuel-efficient solar-powered generators, fuel-efficient gasoline, and propane generators.


Choose what suits you.


Inverter Generator or Conventional Generator

First, you must understand the difference between an inverter and a conventional generator. The inverter generator converts AC into DC and then converts DC to AC to provide safe power for sensitive devices.


However, conventional generators provide unclean AC.


We suggest you go with inverter technology to get clean AC power.



Whenever you choose a fuel-efficient generator, always buy a durable one.


A durable generator has a good life,  has good material, has low noise, is not oversized, and has good customer service and reviews.



Your safety and protection should be the priority when you choose a fuel-efficient generator. Always select a generator that protects from overheating and has a co-detector, temperature control, and a low oil shut-off feature.


Power Needs

Besides the fuel-efficient feature, you need to check the power capacity of a generator. For this, analyze your power needs and determine where you will use the generator and what type of appliances you will use. After assessing the power requirements, get a generator according to your needs. it can be 5000Watt, 7500Watt and 9000Watt.


Running time

Definitely, you need a generator that can keep you powered for a long time. A good fuel-efficient generator has a long-running capacity. It will last almost 11 hours at a minimum of 50% load.


Easy to start generator

If you want to stay away from complexities, choose a generator that has an electric start, push-button start, or a remote start option.


Easy to start generator will make the task easy and consume less time.


Warranty and Customer Service

The different brands offer different warranty periods. However, champion and Westinghouse offer three years of warranty and free lifetime technical support.  Besides that, check the customer service level of the generator brand.



The outlet is another essential thing that you can’t ignore. You will connect your different types of devices to power them. Ensure your generator has DC charging ports, GFCI outlets, USB ports, and a parallel connection to integrate an extra generator.


Power Source

There are many options to power your generator. However, it depends on your generator type as well. Some are solar-powered generators, and some run on propane, gasoline, and natural gas.


Again, it’s your turn. Choose according to your needs and the availability of the power source in your town.


Noise level

Traditional generators are noisy and irritating. We suggest you get a low-noise generator so that when it operates, it doesn’t bother the people around you.


Economy Mode

Some generators have economy mode. It is an excellent feature as it reduces oil consumption and produces good power at low oil. It will save you money and time to refill oil tanks frequently.



Before hunting for a generator, fix your budget. You must know your budget prior. This will help you not to surpass your budget limit. However, there is no need to purchase a costly generator as you can easily get a sound generator for under $300.


But do not go for low-quality cheap generators. Always choose quality over price.


Generator Company

Always search for the best and top-notch generator brands before making a purchase. High-rated brands offer good customer service and support. You will get value for your money if you choose the top generator brands. Another tip is to check the reviews of different brands.



What generators are fuel efficient?

 These three generators are the best fuel-efficient generators.

  1. DuroMax XP10000EH
  2. Champion Power Equipment 76533
  3. Pulsar 2,200W Portable

How much are fuel-efficient generators available in the market?

Fuel efficiency depends on the load. It increases and decreases along with the runtime. However, generators having economy mode and fuel-injected technology are the best fuel-efficient generators. They enhance the engine’s fuel efficiency by 25% and consume less fuel.


Do large generators have good fuel efficiency?

Fuel efficiency depends on the generator type, model, and brand. However, large generators can be good-performing generators as they have more wattage.



We understand that you are looking for the best fuel-efficient generator. So, we did extensive research and tested many generators available in the market.


Now, we have come up with this helpful fuel-efficient generator guide.


This guide covered everything from the generator’s features, pros and cons, and an inclusive buying tip portion. All these things will support you in getting the best fuel-efficient generator.


We aim to solve power shortage problems and help people to make the best generator purchase.


Please stay connected with us for more helpful generator information to sort out your energy crises!

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