Top Vehicles MPG (US)
Gasoline cars, last 90 days...
1.1991 Honda Civic Wagon DX71.49
2.1998 Honda Civic DX Coupe60.54
3.1992 Honda Civic CX60.36
4.2008 Honda Fit Sport58.37
5.2009 Honda Fit Sport54.75
6.1998 Citroen AX Audace54.59
7.2000 Toyota Echo base50.84
8.1990 Mazda Miata 50.45
9.2010 Honda Fit 50.43
10.2000 honda civic gli50.28
More top-10 MPG lists:
hybrids, diesels, trucks, motorcycles & more
 
Highest MPG for a non-hybrid: Mitsubishi Mirage
Best non-hybrid MPG: 2014 Mitsubishi Mirage?
Mitsubishi says its new Mirage subcompact will get the best MPG of any non-hybrid: 44 mpg (US) highway, 37 city. (Some drivers are already beating that in various economy driving contests.) How? An efficient 1.2L, 3-cylinder engine, very light weight and aerodynamic design.
 
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What is Ecomodding?
Welcome to EcoModder.com, an automotive community where performance is judged by fuel economy rather than power and speed. EcoModders employ a combination of vehicle mods, driving techniques, and common sense to squeeze every penny out of the pumps. Reasons for becoming a member range from the economical to the ecological. More info about where EcoModding came from.
 
Top picks from the EcoModder forum and blog

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Another truck aero cap idea... Another truck aero cap idea...

Follow the evolution of BamZipPow's aerodynamic cap for his 1998 Toyota T-100 pickup.

Started by BamZipPow in forum: Aerodynamics - 380 replies

1997 Civic CX to HX engine/VX trans swap! 63 MPG @ 62 MPH

When his 1997 Civic CX engine needed a lot of work, turbovr41991 decided to spend his repair time doing something different: he picked up a rusty Civic HX and swapped over the more efficient lean burn engine instead, and went with the more efficient gearing of the Civic VX. With a few other modifications in place, the car is returning seriously impressive highway fuel economy.

Started by turbovr41991 in forum: EcoModding Central - 187 replies
1997 Civic CX to HX engine/VX trans swap! 63 MPG @ 62 MPH

Honda Insight Under-body Smoothing Panels (custom belly pan / undertray) Honda Insight Under-body Smoothing Panels (custom belly pan / undertray)

This is an incredibly detailed effort to smooth out the underside of a first generation Honda Insight. After the modification, the owner says, "As for MPG, I seem to be getting about 7 MPG more than before. Average is about 81 MPG with 60 F temps, and this is over a full tank of gas."

Started by 3-Wheeler in forum: Aerodynamics - 78 replies

Boat tail project based on a single wheel trailer...

BamZipPow's epic customization & refinement of a single-wheel, drag-reducing trailer used on his already extensively aero-modified 1998 Toyota T-100 pickup. "Mileage is averaging around 27mpg with the trailer," he says, which he estimates is about a 2 MPG improvement.

Started by BamZipPow in forum: Aerodynamics - 978 replies
Boat tail project based on a single wheel trailer...

Urba Centurion Update - (Kubota diesel, 100+ MPG in mixed driving - Fall 2012 on) Urba Centurion Update - (Kubota diesel, 100+ MPG in mixed driving - Fall 2012 on)

Changzuki describes the progress of this diesel-powered custom car, with Triumph Spitfire manual transmission and rear differential. Top speed from the 850 cc Kubota is 65 mph, and it's returning 100+ MPG in mixed driving.

Started by changzuki in forum: EcoModding Central - 667 replies

Efficient, cheap beaters! Used car ads: 35 mpg highway or more for $1500 or less

People often sign up on the forum seeking advice on cheap, economical beaters. The purpose of this thread is to go beyond the hypothetical, and post actual ads of actual available cars. They're out there, people. (Our non-North American members should feel free to laugh at our concept of 'efficient' little cars.)

Started by MetroMPG in forum: For Sale - 463 replies
Efficient, cheap beaters! Used car ads: 35 mpg highway or more for $1500 or less

Paul & Sabrina Paul & Sabrina's cheap DIY 144v motor controller

A thread and project of epic proportions where Paul designs a DIY 144V DC electric motor controller.

Started by MPaulHolmes in forum: Open ReVolt: open source DC motor controller - 7204 replies

3rd gen Prius aeromod thread

Vman455 buys a 3rd gen Prius, and in typical ecomodder fashion doesn't take long to start modding it. Check out what he has done.

Started by Vman455 in forum: Aerodynamics - 226 replies
3rd gen Prius aeromod thread

Why no more lean burn?? Why no more lean burn??

If the Honda Insight, Civic VX and HX were so good at achieving high mileage with lean burn, why is it not in all current Hondas and other economy cars? This thread looks at reasons for its demise & possible return in new cars.

Started by Mad Adder in forum: General Efficiency Discussion - 109 replies

Notable eco-cars (old & new) spotted in the wild: post your pics!

Check out interesting and rare eco-cars that people have stumbled across, and share findings of your own!

Started by MetroMPG in forum: General Efficiency Discussion - 1129 replies
Notable eco-cars (old & new) spotted in the wild: post your pics!

208 km (129 mi.) in EV mode with a 2007 prius plugin 20kWh 208 km (129 mi.) in EV mode with a 2007 prius plugin 20kWh

Planetaire shares his very nice 2nd gen Prius PHEV conversion.

Started by planetaire in forum: Hybrids - 29 replies

t vago's MPGuino workspace thread, continued

Check out t vago's continuous enhancement of the multi-featured MPGuino fuel economy computer / gauge.

Started by t vago in forum: OpenGauge / MPGuino FE computer - 146 replies
t vago

Commercially produced aerodynamic pickup bed cap Commercially produced aerodynamic pickup bed cap

Brett Herndon is a genuine craftsman who has combined his skill in clay modeling with his knowledge of aerodynamics to produce a professional quality aerodynamic truck cap which will literally pay for itself in gas savings. It's unlike anything you've seen before: it can be used as a big hatchback, transformed into a conventional box cap, or have its top removed to make room for oversize loads. Brett is taking his handiwork into commercial production, and is a success story waiting to happen.

Started by MetroMPG in forum: Aerodynamics - 538 replies

PICS! Econo Car conversion to Kubota Diesel. 1997 Geo Metro, Kubota D1005 3 cylinder

Planejob is making great progress on dieselizing his Metro. His goal: "I want something that seats 3, sounds like a tractor, gets great mileage, and looks insane (aero mods)." No doubt that's going to happen.

Started by planejob in forum: EcoModding Central - 237 replies
PICS! Econo Car conversion to Kubota Diesel.  1997 Geo Metro, Kubota D1005 3 cylinder

Replace your car battery with capacitors! Replace your car battery with capacitors!

A good discussion on replacing a starting battery with ultra capacitors in cars, trucks, and motorcycles.

Started by redneck in forum: EcoModding Central - 314 replies

Buy a trailer (instead of a pickup truck)

This is a thread for anyone thinking about getting a pickup truck as a first or second vehicle when adding a trailer to your car would do instead (and save you lots of fuel & money).

Started by oil pan 4 in forum: General Efficiency Discussion - 752 replies
Buy a trailer (instead of a pickup truck)

1946 Chevy Prius Truck 1946 Chevy Prius Truck

Watch how member Hoopie is integrating a 2001 Prius platform & drivetrain into a 1946 Chevy Truck, with the goal of making the changes invisible to the casual observer.

Started by Hoopie in forum: Hybrids - 259 replies

You know you're an ecomodder if...

One of the more popular threads on EcoModder, this is a lighthearted and tongue-in-cheek look at the many potential signs and symptoms that you may be more interested in fuel economy than the average person...

Started by Tango Charlie in forum: The Lounge - 2186 replies
You know you

Recumbent Honda 90 Recumbent Honda 90

Ironside customizes and aeromods his Honda 90 motorcycle into a recumbent.

Started by Ironside in forum: Motorcycles / Scooters - 155 replies

How to properly test modifications (AKA: don't believe every MPG claim you read)

Here on EcoModder we see a lot of claims made about the effectiveness (or lack of effectiveness) of specific modifications. It's an understatement to say not all claims are made equal. It all depends on how rigorous the test is.

Started by MetroMPG in forum: EcoModding Central - 110 replies
How to properly test modifications (AKA: don


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Save fuel with a ScanGauge II fuel economy computer


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Chevrolet Aveo forum: discussion of the Chevy Aveo and its siblings (Pontiac Wave, Pontiac G3, Suzuki Swift+, Daewoo Kalos).




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