Featured projects & topics ...

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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

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

Arduino controlled automatically actuated grill block   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.
By Daox - 167 replies
In forum: Aerodynamics

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

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





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