Top Vehicles MPG (US)
Gasoline cars, last 90 days...
1.2002 Honda` Insight 67.94
2.1998 Geo Metro 67.58
3.1992 Honda Civic CX62.27
4.2014 Mitsubishi Mirage DE62.13
5.1998 Honda Civic DX Coupe60.1
6.2016 Mazda 2 Skyactive-G54.63
7.1998 Toyota Starlet Life Max53.22
8.1991 Honda Civic Wagon DX53.2
9.1993 Honda Civic CX51.76
10.2009 Honda Fit Sport50.79
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 ... 

3rd gen Prius aeromod thread 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 - 165 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 - 712 replies
Buy a trailer (instead of a pickup truck)

Notable eco-cars (old & new) spotted in the wild: post your pics! 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 - 1086 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 - 2107 replies
You know you

My 1991 Talon TSi Compound Turbo AWD 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 - 422 replies

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 - 265 replies
Replace your car battery with capacitors!

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 - 7156 replies

1st Gen Toyota Tundra Aeroshell Build

Macskyver chronicles the building of his beautiful wooden aeroshell for his Toyota Tundra.

Started by Macskyver in forum: Aerodynamics - 176 replies
1st Gen Toyota Tundra Aeroshell Build

Project 100 (custom enclosed Honda C90 targets 100 mph vmax and 100 km/L FE) Project 100 (custom enclosed Honda C90 targets 100 mph vmax and 100 km/L FE)

Forum member visionary is custom-building an enclosed motorcycle with the goal of achieving 100+ mpg at its cruising speed of 70 mph, from an engine displacement of 100 cc.

Started by visionary in forum: Motorcycles / Scooters - 382 replies

Taller Tire Test (5.7% MPG increase observed on Honda CR-Z @ 55-65 MPH)

The purpose of the test was to determine whether larger diameter tires, which result in lower engine RPM and higher load for a given speed, can improve gas mileage. The test car has a 6-speed manual transmission. At highway speeds (55-65 MPH), the larger tires gave a 5.7% average increase in MPG. The engine ran about 200 RPM lower.

Started by SecondWind in forum: EcoModding Central - 64 replies
Taller Tire Test (5.7% MPG increase observed on Honda CR-Z @ 55-65 MPH)

World World's only Diesel Honda Insight


Started by jpstaub in forum: EcoModding Central - 50 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 - 626 replies
Urba Centurion Update - (Kubota diesel, 100+ MPG in mixed driving - Fall 2012 on)

CarBEN EV5 Full Sized Prototype Construction - 5 Seat Electric Car From Scratch CarBEN EV5 Full Sized Prototype Construction - 5 Seat Electric Car From Scratch

NeilBlanchard has begun the construction process to build the full-sized prototype of his aerodynamic 5-passenger electric car he's nicknamed "CarBEN EV5". The prototype is being assembled with rigid foam sheets cut on a CNC machine.

Started by NeilBlanchard in forum: DIY / How-to - 707 replies

Ecoscort - 98 Ford Escort ZX2 ecomodding thread

BabyDiesel's build thread for his 98 Escort. Hes currently averaging just over 50 mpg with an automatic transmission.

Started by BabyDiesel in forum: EcoModding Central - 414 replies
Ecoscort - 98 Ford Escort ZX2 ecomodding thread

02 G1 Insight with many ecomods- 999.6 mile tank @ 105 MPG 02 G1 Insight with many ecomods- 999.6 mile tank @ 105 MPG

The donkey CRX has another epic build, this time with his 1st generation Honda Insight.

Started by The donkey CRX in forum: EcoModding Central - 128 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 - 913 replies
Boat tail project based on a single wheel trailer...

Aerodynamic streamline template - online tool (view streamlined extension on any car) Aerodynamic streamline template - online tool (view streamlined extension on any car)

Member seifrob made an online tool that overlays a streamlined template on an image of any vehicle to visualize the "ideal" extended low drag shape. Very useful for anyone considering building a drag-reducing Kamm back, full boat tail, box cavity, spoiler, etc.

Started by seifrob in forum: Aerodynamics - 170 replies

Aerocivic - how to drop your Cd from 0.31 to 0.17

The first of its kind, the Aerocivic. This car has been pumping out hybrid smashing mileage for years now. VERY impressive build.

Started by basjoos in forum: Aerodynamics - 674 replies
Aerocivic - how to drop your Cd from 0.31 to 0.17

PICS! Econo Car conversion to Kubota Diesel.  1997 Geo Metro, Kubota D1005 3 cylinder 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 - 234 replies

Arduino controlled automatically actuated grill block

Here's the idea: Use an arduino to monitor temperature and output commands to a simple electric door lock actuator. This actuator will close and open the grill block door. Originally started back in 2009, this project sputtered out when the first design didn't work well. The 2012 redesign looks much better.

Started by Daox in forum: Aerodynamics - 167 replies
Arduino controlled automatically actuated grill block


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Save fuel with a ScanGauge II fuel economy computer


Read review & learn more

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




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