Top Vehicles MPG (US)
Gasoline cars, last 90 days...
1.2005 Toyota Echo 69.43
2.1998 Honda Civic DX Coupe62.46
3.1992 Honda Civic CX62.08
4.2014 Mitsubishi Mirage DE62.04
5.1998 Geo Metro 61.51
6.1995 Honda Civic VX61.36
7.1995 Honda Civic VX59.24
8.1995 Honda Civic EX59.16
9.1994 Geo Metro 59.16
10.2009 Honda Fit Sport58.77
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

Spotted: fully streamlined/aeromodded ~2005 Honda Civic sedan (Austin, TX) Spotted: fully streamlined/aeromodded ~2005 Honda Civic sedan (Austin, TX)

Spotted in the wild in Austin, Texas: a 2005-ish Civic Sedan with the full DIY aero treatment, from custom front bumper, to wheel covers, skirting, Kammback treatment and more. Anybody know whose it is?

Started by MetroMPG in forum: Aerodynamics - 37 replies

Slow progress but progress (DIY two seater tadpole trike, 9hp Honda diesel)

Old Mechanic is developing an efficient, aerodynamic platform for a tadpole vehicle with the flexibility to run various drivetrains, including (ultimately) his patented hydraulic hybrid drive system. Initial plans are to power it with a single cylinder Honda diesel mated to a Harley 5 speed.

Started by Old Mechanic in forum: EcoModding Central - 267 replies
Slow progress but progress (DIY two seater tadpole trike, 9hp Honda diesel)

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 - 80 replies

CRX HF reverse trike project

"groundflyer" and a friend are having fun modifying a 1988 Honda CRX HF into a three-wheeler. The rear side body is being tapered in behind the doors, and the floor pan will be tapered up.

Started by groundflyer in forum: EcoModding Central - 147 replies
CRX HF reverse trike project

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 - 360 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 - 45 replies
3rd gen Prius aeromod thread

Import Tuner Magazine : Project Sipper ( Import Tuner Magazine : Project Sipper ('92 Civic VX)

The EcoModder community applauds, analyzes and critiques a fuel economy project based on the already efficient Honda Civic VX undertaken by a traditional performance magazine. (Oof!! The money they spent!)

Started by Cd in forum: EcoModding Central - 184 replies

Grill Block 2.25% Increase @ 50 mph.

Sarguy01 documents a lower grille block made from aluminum flashing on his 2005 Honda Civic: "After ABA testing tonight at 50 mph, I got an increase of 1.7% one way and 2.8% increase the other way. Average gain was 2.2%."

Started by sarguy01 in forum: Aerodynamics - 64 replies
Grill Block 2.25% Increase @ 50 mph.

Project Land Yacht (BMW 5-series EV conversion) Project Land Yacht (BMW 5-series EV conversion)

Jackbauer starts his next EV build. This time around its a 2001 BMW 5-series using a 13" forklift motor, 1200 amp controller, 15 kW charger, and 34.5 kWh of CALB grey cells.

Started by jackbauer in forum: Fossil Fuel Free - 93 replies

4 does-for-more-bros (97 civic dx sedan: HX + auto to manual swap)

Jakins wanted more doors and A/C, so he picked up a cheap 4-door Civic DX automatic and is converting it over to HX mechanicals and manual transmission, plus aero mods. His goal: 55-60 mpg US.

Started by Jakins in forum: EcoModding Central - 30 replies
4 does-for-more-bros (97 civic dx sedan: HX + auto to manual swap)

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 - 1720 replies

Freezing the Slushbox. Torque Converter on-demand lockup switch.

Forum member orange4boy documents how he took manual control over the automatic transmission in his Toyota Previa van to force the torque converter to lock at will in any gear. (Note: requires an attentive driver to prevent potential damage). This modification gave him the largest increase in fuel economy of all his mods to date.

Started by orange4boy in forum: EcoModding Central - 259 replies
Freezing the Slushbox. Torque Converter on-demand lockup switch.

SIM-LEI aero EV achieves 84Wh/km @ 100kph - 207 miles on a ~24kWh pack! Cd is 0.19 SIM-LEI aero EV achieves 84Wh/km @ 100kph - 207 miles on a ~24kWh pack! Cd is 0.19


Started by NeilBlanchard in forum: Fossil Fuel Free - 41 replies

AirFlow BulletTruck Project (aerodynamic, modified Class 8 transport doubles MPG)

Taking a class 8 transport truck from 5.8 mpg (lifetime mileage, at time of purchase) and modifying it to get 14.1 mpg hauling on a cross-country trip is nothing to sneeze at.

Started by Shepherd777 in forum: Aerodynamics - 231 replies
AirFlow BulletTruck Project (aerodynamic, modified Class 8 transport doubles MPG)

Project: The Electric Booger (budget EV conversion - Project: The Electric Booger (budget EV conversion - '92 Mazda MX-3)

Mechman600 has joined the ranks of EcoModder members who have built a super-cheap electric runabout by being extraordinarily resourceful. His goals: "Cost: around $2000 - including the price of the car. It will get me to work and back - 6.5 km (4 mi.) each way on 60 km/h (36 mph) roads. My top speed goal is 80 km/h (50 mph) with a total range of 25 km (15 mi.)."

Started by mechman600 in forum: Fossil Fuel Free - 269 replies

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

Summerizing your car, Ecomodder style Summerizing your car, Ecomodder style

Check out our list of things to do to summerize your car, and add some info of your own.

Started by Daox in forum: EcoModding Central - 45 replies

Orange4boy's Rescue and Revival of a 2003 Prius

See how Orange4boy brings back his 2003 Prius from the dead with a "dreaded P3120 HV Transaxle failure code".

Started by orange4boy in forum: Hybrids - 165 replies
Orange4boy

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 - 90 replies

What is it? (Spotted: rear engine TDI, custom aero body)

Member rjacob spotted this custom bodied mystery eco-car on the road in Rochester, NY. It's got a TDI badge on the rear, and that's apparently where the engine resides as well.

Started by rjacob in forum: EcoModding Central - 180 replies
What is it?  (Spotted: rear engine TDI, custom aero body)


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