Top Vehicles MPG (US)
Gasoline cars, last 90 days...
1.1992 Honda civic VX87.42
2.2005 Toyota Echo 85.27
3.1992 Honda Civic CX83.03
4.1991 Honda Civic Wagon DX71.97
5.1994 Geo Metro 70.91
6.2009 Honda Fit Sport70.1
7.1998 Geo Metro 69.06
8.2014 Mitsubishi Mirage DE67.46
9.1992 Honda Civic Vx67.09
10.1992 Honda Civic VX66.92
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.
 
Latest forum activity
> 15 mods = 15% MPG improvement: A-B test, 2007 Honda Civic 1.8L, 5-speed
In EcoModding Central
> 50cc Gas to Diesel Engine Conversion
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> VW throws in the towel? Creates the XL Sport
In Hybrids
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> Power, economy, on available fuels
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> VW throws in the towel? Creates the XL Sport
In Hybrids
> Master list of 65+ proven mods for increasing MPG
In EcoModding Central
> Hello Guys and Gals!
In Introductions
> New record for my Civic
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> Smaller house = forced savings
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In General Efficiency Discussion
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> Justify to me Plz. Purchase of a Prius vs Fiesta. I think Fiesta wins hands down.
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In EcoModding Central
> Really ecological cars shouldn't have leather seats, wooden dash...
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> Boat tail - Redneck style...
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> Really ecological cars shouldn't have leather seats, wooden dash...
In EcoModding Central

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

Boat tail - Redneck style... Boat tail - Redneck style...

Redneck builds a boat tail for his Geo Metro out of EMT tubing, skinned in 1/2 inch thick foam insulation board. Initial results show a ~15% improvement in real world highway MPG.

Started by redneck in forum: Aerodynamics - 132 replies

15 mods = 15% MPG improvement: A-B test, 2007 Honda Civic 1.8L, 5-speed

A collection of mosty small & inexpensive mods, from aerodynamic to electrical to gearing changes (through oversize tires) result in an average 15% mileage improvement in a 2007 Civic.

Started by MetroMPG in forum: EcoModding Central - 19 replies
15 mods = 15% MPG improvement: A-B test, 2007 Honda Civic 1.8L, 5-speed

Heating the transmission with engine coolant Heating the transmission with engine coolant

A good brainstorming discussion about methods for speeding up the warming of the transmission's gear oil.

Started by Daox in forum: EcoModding Central - 97 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 - 16 replies
208 km (129 mi.) in EV mode with a 2007 prius plugin 20kWh

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 - 623 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 - 233 replies
Urba Centurion Update - (Kubota diesel, 100+ MPG in mixed driving - Fall 2012 on)

How to spend $5k on a $2k econobox = NOT SWIFT (Geo Metro restoration & mods) How to spend $5k on a $2k econobox = NOT SWIFT (Geo Metro restoration & mods)

StudeChamp does an amazing restoration on a 1991 Geo Metro, and integrates ecomods into the restoration.

Started by StudeChamp in forum: EcoModding Central - 69 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 - 6890 replies
Paul & Sabrina

The Zing! (Custom-built prototype hybrid tadpole trike) The Zing! (Custom-built prototype hybrid tadpole trike)

The intention is for the production version is to have a 7.2kWh lithium pack which will have a maximum electric-only range of ~70 miles or about 40 miles in everyday driving. Then the generator starts up and you can keep driving, similar to the Chevy Volt.

Started by NeilBlanchard in forum: Hybrids - 175 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 - 616 replies
Aerocivic - how to drop your Cd from 0.31 to 0.17

Kill Switch (EOC): Where did you install your activator? And what did you use? Kill Switch (EOC): Where did you install your activator? And what did you use?

Shutting off the engine in a manual transmission car while coasting or when stopped (with any transmission) is an advanced efficiency driving technique that can save a lot of fuel. An ergonomically placed kill switch makes the process easier, safer, and saves wear on the ignition switch. This thread shows multiple installations.

Started by myrefugeisintheLord in forum: DIY / How-to - 148 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 - 134 replies
Replace your car battery with capacitors!

Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L

The Micra's official ratings are almost the same for the automatic and manual transmission. Yet the 5-speed can be much more efficient in the real world using just one simple ecodriving technique. Again we see the EPA handicaps manual transmission cars due to dictated, non-eco shift points during testing.

Started by MetroMPG in forum: Hypermiling / EcoDriver's Ed - 35 replies

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

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 - 1797 replies

David's 2001 Civic EV (80-100 mile range; 65+ MPH; 8 second 0-60)

TheSGC swaps the guts from his 1996 lead-acid Honda Civic EV into a 2001 Civic body with lithium batteries and a few other updates. In the end, he'll have a DIY electric car with better performance than a Nissan Leaf.

Started by TheSGC in forum: Fossil Fuel Free - 341 replies
David

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 - 409 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 - 348 replies
Slow progress but progress (DIY two seater tadpole trike, 9hp Honda diesel)

Aeromodded Civic VX 72mpg (image heavy) Aeromodded Civic VX 72mpg (image heavy)

Ecotex shares with us his father's modified Civic VX that gets very impressive mileage.

Started by ecoTex in forum: EcoModding Central - 276 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 - 58 replies
4 does-for-more-bros (97 civic dx sedan: HX + auto to manual swap)


Save fuel with a ScanGauge II fuel economy computer


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