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Linner Strømlinet Vogn (Now with 3D model!) EcoModder member Sven7 shares his aerodynamic design exercise: "a production-possible four seat automobile that flaunts its aerodynamics instead of disguising them like the Prius and other contemporary hypermiler vehicles." By Sven7 - 200 replies In forum: Aerodynamics

2011 MPG totals and 2012 goals (what are your planned mods & MPG targets?) By Fr3AkAzOiD - 67 replies In forum: Success Stories

(Project) Boat tail-4 Door Sedan VW Mk2 (1990 Jetta GL) JethroBodine introduced his project thusly: "I started building a boat tail on my '90 VW Jetta. The plan is to use the aero templates, both versions, for a true, attached flow boat tail." In the end (pun intended), he achieves fuel economy in the high 50's (MPG) on gasoline, then swaps in a diesel engine and jumps to the high 60's. By JethroBodine - 120 replies In forum: EcoModding Central

Lower & Upper Grille Block Ideas (Toyota Echo) A partial grille block is an easy & effective modification. Follow the evolution of a professional-looking upper & lower combination on CigaR007's 2001 Echo. By CigaR007 - 169 replies In forum: Aerodynamics

1990 Honda CRX Si D15Z1/HF Trans Swap Project Lots of Honda efficiency fans dream of a project like this: taking a lean-burn 1.5L engine from a Civic VX, mating it to the tall-geared transmission from a CRX HF and installing them in a nice & relatively aerodynamic CRX shell. The result can be fantastic cruising fuel economy in a package that looks great & handles well too. By 02ws6 - 42 replies In forum: EcoModding Central

CARGaerO t'ailer; a hitch-mounted boat tail (Pontiac Vibe) Tango Charlie explains: "I've decided to make a truncated boat tail for my Vibe, mounted on the hitch-mounted cargo carrier that I made a while back. I priced some aluminum sheets at a nearby RV surplus yard and nearly gave up on the idea until I remembered that Coroplast was only $12 a sheet." By Tango Charlie - 80 replies In forum: Aerodynamics

97 Ranger aero project. Old Mechanic has begun an ambitious aeromodding project on a 1997 Ford Ranger 5-speed pickup. He has already surpassed 30 MPG (US) - blasting the truck's 24 MPG EPA highway rating out of the water. By user removed - 103 replies In forum: Aerodynamics

SMCC Montreal Economy Run - June 9th, 2012 By nerdboy - 141 replies In forum: Events & Meet-ups

2011 Prius to get full boat tail w/ faired trailer The plan is to modify a small utility trailer that reduces overall aerodynamic drag below that of the car alone. The improvement must be enough to more than offset the extra weight and rolling resistance of the trailer. "It'll be fun! Maybe low 60's MPG in straight interstate highway motoring." By aerohead - 74 replies In forum: Aerodynamics

MTSU Students Retrofit Hub Motors (Converting an Accord into a plug-in Hybrid) Here's an interesting approach to converting a front wheel drive Honda Accord into a plug-in hybrid by adding hub motors to the existing rear brake drums, plus lithium batteries and electronics in the back of the car. The inventors figure the kit doubled fuel economy, and could be commercialized for around $3000. By NeilBlanchard - 88 replies In forum: Hybrids

Roof rack or trunk rack? (solution: none of the above... modded trunk!) Jakins came to EcoModder looking for advice when he saw his car's highway mileage fall by 4-5 MPG when carrying BMX bikes in the trunk forced the trunk lid to remain part-way open. He came up with a creative solution with an angle grinder and a junk trunk lid that lets him close it while still fitting 4 (!) bikes in back. By Jakins - 48 replies In forum: Aerodynamics

10-15% reduced consumption after "engine split" (physically deactivating 2 of 4 cyl.) When a bearing went in this Fiat's worn out engine, JohnAh tried something that many have thought about but few have attempted: for fun, he implemented his own "variable displacement" modification ... by physically removing two pistons! "To my big surprise and happiness, not only did the engine start and run, it kept on running for over 40,000 more kilometers." This thread includes a video of the car in action. By JohnAh - 42 replies In forum: Success Stories

Buying a bike for MPG/Vetter Challenge, what would be your favorite? This thread takes a comprehensive look at which motorcycles make the most competitive (efficient) platforms for winning fuel economy competitions in demanding "real world" driving conditions. By beatr911 - 116 replies In forum: Motorcycles / Scooters

AndrzejM's Toyota Previa ecomodding thread By AndrzejM - 4 replies In forum: EcoModding Central

Just saying hi & introducing myself & my wonderful machine (boat tail CRX HF, 70 MPG) By scivicblu83 - 22 replies In forum: EcoModding Central

1.0L Geo Metro engine swap into 1990 Mazda Miata! The goal of this low-budget project was "a 50 MPG car that looks cool." By 1337 - 30 replies In forum: EcoModding Central

basjoosing the Toyota T-100 (articulated front wheel skirts) Phil Knox has been optimizing the aerodynamics of his vehicles longer than just about anyone - he's been modifying his Toyota T-100 pickup for years. Now he's constructing articulated front wheel skirts, using a similar approach to the AeroCivic. By aerohead - 43 replies In forum: Aerodynamics

CRX HF Trans Swap in a Civic Wagon (1800 RPM @ 60 MPH vs. 2800, and ~19% better MPG) This is a detailed look of the results of swapping a CRX HF transmission into a Civic wagon. (The HF had the tallest final drive available.) The goal was to improve highway cruising efficiency, and early results are good on a recent trip: "I got something like 44 MPG. That's a pretty good improvement from the 37 MPG this car used to get at those speeds." By Gasoline Fumes - 8 replies In forum: EcoModding Central

2012 Vetter Fuel Economy Challenges Craig Vetter announces the Schedule for 2012 Vetter Fuel Economy Challenges: "This is where we find out how our motorcycles compare with each other in real driving conditions. As you can see, I am doing my best to be in your neighborhood." By cvetter - 100 replies In forum: Events & Meet-ups

2nd Gen Prius PHEV Conversion (Enginer plug-in lithium ion battery kit) How do you improve the efficiency of Toyota's already class-leading Prius hybrid? One way is by installing additional grid-charged battery capacity so the car can use electric drive/assist more often. Follow forum member Daox as he installs, debugs, improves and monitors the effectiveness of this plug-in project. By Daox - 333 replies In forum: Hybrids