Featured projects & topics ...

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David   David's Solectria Force Rebuild
David purchased and fixed up a Solectria Force (OEM EV Geo Metro) that needed some body and electrical work done.
By TheSGC - 82 replies
In forum: Fossil Fuel Free

April 15, 2016: Watkins Glen Green Grand Prix   April 15, 2016: Watkins Glen Green Grand Prix
The GGP is THE car show/event for EcoModders. Each year there are tons of interesting vehicles to see (many owned by members here), and/or you can enter the challenging economy run competition which takes place on the historic Watkins Glen race circuit.
By mloveland78 - 103 replies
In forum: Events & Meet-ups

Project Iron-Pig: My 1996 Land Cruiser Diesel Conversion   Project Iron-Pig: My 1996 Land Cruiser Diesel Conversion
SuperHatch goes through the process of putting a Mitsubishi diesel engine in his 1996 Land Cruiser.
By SuperHatch - 49 replies
In forum: EcoModding Central

1971 Corvette EV Conversion   1971 Corvette EV Conversion
The builder's goals: "...to be able to bake the tires, as well as be able to drive it further then across town. We are aiming for around 60-80 miles per charge, but will be sacrificing range for performance. Since its a Vette, it has to be fast!"
By adamj12b - 112 replies
In forum: Fossil Fuel Free

Rucksack alternator delete (portable DIY power pack to reduce alternator load)   Rucksack alternator delete (portable DIY power pack to reduce alternator load)
By jakobnev - 21 replies
In forum: EcoModding Central

Making a more efficient, aerodynamic soapbox gravity race car   Making a more efficient, aerodynamic soapbox gravity race car
Orengomotors is from Barcelona where they do soapbox racing and he is looking for an edge.
By orengomotors - 266 replies
In forum: Aerodynamics

Review: driving a $9998 2015 Nissan Micra (Nissan   Review: driving a $9998 2015 Nissan Micra (Nissan's most efficient manual in Can/US.)
MetroMPG gets a Nissan Micra to review for a week.
By MetroMPG - 82 replies
In forum: General Efficiency Discussion


Civic VX MPG project (Delete Alternator, add solar)   Civic VX MPG project (Delete Alternator, add solar)
This project sees the marriage of a 1994 Honda Civic VX and a roof-mounted 135 watt solar panel, charge controller and supplementary battery pack in parallel with the stock car battery and electrical system - the goal of which is to reduce engine load and save fuel by transferring the task of electricity production from the alternator to sunshine. Update: after 5000 miles, the unexpected results are in.
By VXmpgRacer - 70 replies
In forum: EcoModding Central

Stricter EPA testing for 2017 model year - be careful making comparisons   Stricter EPA testing for 2017 model year - be careful making comparisons
EPA fuel economy testing has changed because of manufacturers who were caught using "erroneous" (haha) coastdown methods for measuring aero drag and mechanical resistance. As a result, many 2017 vehicle ratings are lower than the previous year.
By MetroMPG - 13 replies
In forum: General Efficiency Discussion

Ecomodder   Ecomodder's "strange-looking car" Makes the News
"The black 1994 Honda Civic has what looks like white teeth in the front and a funny-looking plastic wing or tail in the back. But the owner has his reasons for his car's odd appearance..."
By Joggernot - 30 replies
In forum: The Lounge

Project: Aero Trailer for TDi   Project: Aero Trailer for TDi
VRdublove writes: "We have a 8000 mile summer tour, and decided to make an aerodynamic trailer to carry our ultralight adventure vehicles. We decided to use a utility trailer as the base, and add an aluminum shell that tapers the bodyshape of the Sportwagen that's pulling it."
By VRdublove - 27 replies
In forum: Aerodynamics

My Ford Ranger - Project Log   My Ford Ranger - Project Log
Nathan01xl is currently averaging around 38 MPG (US) in his 2001 Ford Ranger following numerous changes including the addition of a digital MPG gauge, improved driving technique, and a growing list of efficiency modifications.
By nathan01xl - 146 replies
In forum: EcoModding Central

Personal best on your latest fill-up?  Post it here!   Personal best on your latest fill-up? Post it here!
Members who have recently recorded personal best fuel economy share their results and how they accomplished them.
By MetroMPG - 90 replies
In forum: Success Stories

Designing a header for fuel economy (for a Metro G10 1.0L)   Designing a header for fuel economy (for a Metro G10 1.0L)
Daox walks through the steps on how to design a header to improve fuel economy for his Metro's G10 1.0L engine.
By Daox - 121 replies
In forum: EcoModding Central

Automotive Aerodynamics (video series)   Automotive Aerodynamics (video series)
Forum member and aero researcher graysgarage is producing info-rich, YouTube videos on a variety of automotive aerodynamic topics. They include clear explanations, plus lots of flow test footage and analysis. And he's taking suggestions for future episodes.
By graysgarage - 67 replies
In forum: Aerodynamics

2nd gen Honda Insight parallel portable plugin hybrid battery pack build thread   2nd gen Honda Insight parallel portable plugin hybrid battery pack build thread
RedDevil is adding a 2nd battery pack in parallel with the OEM hybrid battery pack for additional capacity and a boost in mpg.
By RedDevil - 73 replies
In forum: Hybrids

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.
By NeilBlanchard - 177 replies
In forum: Hybrids

Orange4boy   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".
By orange4boy - 167 replies
In forum: Hybrids

Pre-heating the Prius Transaxle and Engine for better fuel economy   Pre-heating the Prius Transaxle and Engine for better fuel economy
Orange4boy experiments with pre-heating things on his 1st gen Prius.
By orange4boy - 70 replies
In forum: Hybrids

OG   OG's VX Build: HyperMile Driving with some JDM Styling
Member OG VX documents the ongoing restoration/ecomodding of his 1992 Honda Civic VX with tons of details and photos. Already averaging 54 mpg (US).
By OG VX - 471 replies
In forum: EcoModding Central





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