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What   What's your best motorcycle MPG?
Lots of EcoModder members own motorcycles for commuting, for play or to as primary vehicles. In this long thread, owners chime in with their best numbers: what (and how) they were riding to achieve great MPG.
By MetroMPG - 402 replies
In forum: Motorcycles / Scooters

Paul & Sabrina   Paul & Sabrina's cheap DIY 144v motor controller
A thread and project of epic proportions where Paul designs a DIY 144V DC electric motor controller.
By MPaulHolmes - 7325 replies
In forum: Open ReVolt: open source DC motor controller

You know you   You know you're an ecomodder if/when...
One of the more popular threads on EcoModder, this is a lighthearted and tongue-in-cheek look at the many potential signs and symptoms that you may be more interested in fuel economy than the average person...
By Tango Charlie - 2333 replies
In forum: The Lounge

Efficient, cheap beaters! Used car ads: 35 mpg highway or more for $1500 or less   Efficient, cheap beaters! Used car ads: 35 mpg highway or more for $1500 or less
People often sign up on the forum seeking advice on cheap, economical beaters. The purpose of this thread is to go beyond the hypothetical, and post actual ads of actual available cars. They're out there, people. (Our non-North American members should feel free to laugh at our concept of 'efficient' little cars.)
By MetroMPG - 848 replies
In forum: For Sale

VW Lupo 3L --> 2L   VW Lupo 3L --> 2L
Vekke has taken one of the world's most efficient cars and is modifying it extensively for even better results. "Best fuel consumption so far is 2.24 L/100km at 80 km/h average speed, which equals 105 MPG (US) at 50 MPH avg. speed."
By Vekke - 387 replies
In forum: EcoModding Central

Another truck aero cap idea...   Another truck aero cap idea...
Follow the evolution of BamZipPow's aerodynamic cap for his 1998 Toyota T-100 pickup.
By BamZipPow - 392 replies
In forum: Aerodynamics

Commercially produced aerodynamic pickup bed cap   Commercially produced aerodynamic pickup bed cap
Brett Herndon is a genuine craftsman who has combined his skill in clay modeling with his knowledge of aerodynamics to produce a professional quality aerodynamic truck cap which will literally pay for itself in gas savings. It's unlike anything you've seen before: it can be used as a big hatchback, transformed into a conventional box cap, or have its top removed to make room for oversize loads. Brett is taking his handiwork into commercial production, and is a success story waiting to happen.
By MetroMPG - 545 replies
In forum: Aerodynamics


Boat tail project based on a single wheel trailer...   Boat tail project based on a single wheel trailer...
BamZipPow's epic customization & refinement of a single-wheel, drag-reducing trailer used on his already extensively aero-modified 1998 Toyota T-100 pickup. "Mileage is averaging around 27mpg with the trailer," he says, which he estimates is about a 2 MPG improvement.
By BamZipPow - 1081 replies
In forum: Aerodynamics

94 Caprice Wagon 5.7L project--46 MPG so far   94 Caprice Wagon 5.7L project--46 MPG so far
A huge boat of a vehicle modded to get some crazy good mileage.
By funkhoss - 94 replies
In forum: EcoModding Central

Buy a trailer (instead of a pickup truck)   Buy a trailer (instead of a pickup truck)
This is a thread for anyone thinking about getting a pickup truck as a first or second vehicle when adding a trailer to your car would do instead (and save you lots of fuel & money).
By oil pan 4 - 982 replies
In forum: General Efficiency Discussion

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 - 1259 replies
In forum: General Efficiency Discussion

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 - 197 replies
In forum: Aerodynamics

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 - 694 replies
In forum: Aerodynamics

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 - 180 replies
In forum: Hypermiling / EcoDriver's Ed

1946 Chevy Prius Truck   1946 Chevy Prius Truck
Watch how member Hoopie is integrating a 2001 Prius platform & drivetrain into a 1946 Chevy Truck, with the goal of making the changes invisible to the casual observer.
By Hoopie - 283 replies
In forum: Hybrids

Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L   Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L
The Micra's official ratings are almost the same for the automatic and manual transmission. Yet the 5-speed can be much more efficient in the real world using just one simple ecodriving technique. Again we see the EPA handicaps manual transmission cars due to dictated, non-eco shift points during testing.
By MetroMPG - 65 replies
In forum: Hypermiling / EcoDriver's Ed

Aero RV (custom boat tail for   Aero RV (custom boat tail for '95 Ford E-350 Class C motorhome)
Orbywan says: "About a month ago I decided to build a boat tail for my 95 E-350 Ford 25 foot turbo diesel Class C motor home. I read the aerodynamics study NASA did at Dryden Air Force base back in the late 60’s on the squared off E-150 van about 20 times, as well as several other studies, drew up some plans and three weeks later and some serious sweat the prototype is done and tested." Initial results show about a 20% mpg improvement.
By orbywan - 185 replies
In forum: Aerodynamics

Drag reduction modifications in wind tunnel: Audi A2 from Cd 0.288 to 0.204   Drag reduction modifications in wind tunnel: Audi A2 from Cd 0.288 to 0.204
By Vekke - 53 replies
In forum: Aerodynamics

How to properly test modifications (AKA: don   How to properly test modifications (AKA: don't believe every MPG claim you read)
Here on EcoModder we see a lot of claims made about the effectiveness (or lack of effectiveness) of specific modifications. It's an understatement to say not all claims are made equal. It all depends on how rigorous the test is.
By MetroMPG - 116 replies
In forum: EcoModding Central

Echo-Troll Modding Thread (2005 Toyota Echo)   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 - 324 replies
In forum: EcoModding Central





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