Top Vehicles MPG (US)
Gasoline cars, last 90 days...
1.1991 Honda Civic Wagon DX63.53
2.1992 Honda Civic CX60.36
3.1998 Honda Civic DX Coupe60.17
4.2000 Chevrolet Metro 50.65
5.2000 honda civic gli50.44
6.1991 Geo Metro 48.68
7.2008 Honda Fit Sport48.54
8.2009 Honda Fit Sport48.09
9.2007 Toyota Yaris 47.93
10.1998 Honda Civic Si (aka dx)47.57
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

  See more featured topics >> Page 1 | Page 2 | Page 3 | Page 4 | Page 5 | Page 6 ... 

Speed vs. MPG charts (post Speed vs. MPG charts (post 'em if you got 'em)

The speed at which you choose to drive has the biggest impact on your highway fuel consumption. This fact is nicely demonstrated by this collection of graphs showing the relationship of MPH to MPG in a variety of vehicles, from a 55 hp Geo Metro to a 505 hp Corvette, and many others in between.

Started by bluejoey in forum: Hypermiling / EcoDriver's Ed - 172 replies

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 - 7223 replies
Paul & Sabrina

You know you 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 - 2190 replies

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

Efficient, cheap beaters! Used car ads: 35 mpg highway or more for $1500 or less 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 - 473 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 - 1049 replies
Boat tail project based on a single wheel trailer...

Buy a trailer (instead of a pickup truck) 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 - 804 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 - 231 replies
3rd gen Prius aeromod thread

t vago 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 - 156 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 - 1130 replies
Notable eco-cars (old & new) spotted in the wild: post your pics!

Dam, It works! (Air dam on Smart Fortwo: 3-4% MPG improvement) Dam, It works! (Air dam on Smart Fortwo: 3-4% MPG improvement)

In addition to a clear lower grille block and smooth, black wheel covers, Chumly added and tested a simple air dam: "I just made an air dam out of some lawn edging. A-B-A testing shows 3.16% - 4.2% (avg 3.73%) better mileage. It took a whole half hour to make and install it, I should have done this a long time ago!"

Started by chumly in forum: Success Stories - 50 replies

My 1991 Talon TSi Compound Turbo AWD

It would almost be easier to list what hasn't been done engine wise to this car. Suffice to say that he gets mid 40 mpg with an auto, and is pretty darn fast. Check out this extensive build here.

Started by pgfpro in forum: EcoModding Central - 429 replies
My 1991 Talon TSi Compound Turbo AWD

94 Caprice Wagon 5.7L project--46 MPG so far 94 Caprice Wagon 5.7L project--46 MPG so far

A huge boat of a vehicle modded to get some crazy good mileage.

Started by funkhoss in forum: EcoModding Central - 75 replies

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

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 - 381 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

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
Why no more lean burn??

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


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