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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!
By MetroMPG - 1121 replies
In forum: General Efficiency Discussion

Staying cool with out air conditioning   Staying cool with out air conditioning
Oil pan 4 builds a liquid cooled seat to stay cool without air conditioning.
By oil pan 4 - 71 replies
In forum: EcoModding Central

Old square sedan kammback   Old square sedan kammback
Joris documents the construction and testing of a nicely made aluminum-skinned Kammback on his (very squared off) notchback Euro Volvo sedan. The addition is cleverly attached at the drip rails and hinged to preserve access to the factory trunk/boot.
By Joris - 74 replies
In forum: Aerodynamics

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.
By The donkey CRX - 133 replies
In forum: EcoModding Central

1st Gen Toyota Tundra Aeroshell Build   1st Gen Toyota Tundra Aeroshell Build
Macskyver chronicles the building of his beautiful wooden aeroshell for his Toyota Tundra.
By Macskyver - 195 replies
In forum: Aerodynamics

Finally broke 60 mpg (bone stock   Finally broke 60 mpg (bone stock '95 Honda Civic VX)
New member Bugzilla scored a dealer-maintained, bone stock Civic VX and through driving technique alone surpassed 60 mpg (US) on his 4th tank. Next up: vehicle mods!
By Bugzilla - 12 replies
In forum: Success Stories

Automatically actuated grill block - Mk3   Automatically actuated grill block - Mk3
Daox designs an automatically actuated grill shutter. The design is nearly fully 3d printed and controlled via an arduino.
By Daox - 135 replies
In forum: Aerodynamics


Ecoscort - 98 Ford Escort ZX2 ecomodding thread   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.
By BabyDiesel - 422 replies
In forum: EcoModding Central

David   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.
By TheSGC - 343 replies
In forum: Fossil Fuel Free

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.
By NeilBlanchard - 724 replies
In forum: DIY / How-to

Third Conversion, ultra efficient (1993 Geo Metro EV)   Third Conversion, ultra efficient (1993 Geo Metro EV)
EVmetro shares a wonderful thread on restoring and converting his 1993 Geo Metro to an electric vehicle.
By EVmetro - 80 replies
In forum: Fossil Fuel Free

Slow progress but progress (DIY two seater tadpole trike, 9hp Honda diesel)   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.
By user removed - 393 replies
In forum: EcoModding Central

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.
By bluejoey - 169 replies
In forum: Hypermiling / EcoDriver's Ed

Fast warm up ideas: Double engine block heaters   Fast warm up ideas: Double engine block heaters
When are two block heaters better than just one?
By oil pan 4 - 51 replies
In forum: General Efficiency Discussion

World   World's only Diesel Honda Insight
By jpstaub - 51 replies
In forum: EcoModding Central

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.
By visionary - 384 replies
In forum: Motorcycles / Scooters

Aero Design Senior Project Community Ideas   Aero Design Senior Project Community Ideas
Aeroguy is looking for some help with his senior design project, which involves wind tunnel-testing multiple rear wings & spoilers on a scale model Civic.
By Aeroguy - 71 replies
In forum: Aerodynamics

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.
By pgfpro - 422 replies
In forum: EcoModding Central

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

Aerocivic - how to drop your Cd from 0.31 to 0.17   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.
By basjoos - 674 replies
In forum: Aerodynamics





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