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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 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'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 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) 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) 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

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

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

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 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

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

Echo-Troll Modding Thread (2005 Toyota Echo) Follow the progress of an extensive aeromodding project on a 2005 Toyota Echo 1.5L , 5-speed. EPA : 30 City \ 38 HWY \ 33 Combined MPG (US). Modified MPG: 60 to 75 MPG in a 4.3 mile commute \ 60 to 67 mpg on the highway. By echo-francis - 322 replies In forum: EcoModding Central

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 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 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 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) By jakobnev - 21 replies In forum: EcoModding Central

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'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