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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 - 183 replies
In forum: Hypermiling / EcoDriver's Ed
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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 - 435 replies
In forum: Motorcycles / Scooters
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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 - 636 replies
In forum: Aerodynamics
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Old square sedan kammback
Joris documents the construction and testing of a nicely made aluminum-skinned Kammback on his (very squared off) notchback Euro Volvo sedan. The addition is cleverly attached at the drip rails and hinged to preserve access to the factory trunk/boot.
By Joris - 82 replies
In forum: Aerodynamics
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Got 2.25 L/100 km 104.36 mpg (US) at 80 km/h avg speed
Vekke's modified Volkswagen Lupo 3L is getting closer to his 2L / 100 km goal (118 mpg US) at 100 km/h (62 mph) average speed. The car currently has a number of major aerodynamic modifications - one of which is just 80 mm of ground clearance - and more are planned.
By Vekke - 19 replies
In forum: Success Stories
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Honda Insight Tail Extension Project
What happens when you start with one of the most aerodynamic production cars ever sold and add a custom-crafted tail to make it even more efficient? Initial testing showed an improvement in fuel economy of 10.3% at 56 mph, or tentatively around an 18% reduction in aero drag. With this tail and other aero modifications in place, the car is regularly returning 100+ MPG tanks in every day use in warm weather.
By 3-Wheeler - 540 replies
In forum: Aerodynamics
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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 - 291 replies
In forum: Hybrids
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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 - 331 replies
In forum: EcoModding Central
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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 - 148 replies
In forum: EcoModding Central
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3rd gen Prius aeromod thread
Vman455 buys a 3rd gen Prius, and in typical ecomodder fashion doesn't take long to start modding it. Check out what he has done.
By Vman455 - 298 replies
In forum: Aerodynamics
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Project Extended Pop-Top Aerodynamic Camper Shell ('99 Tacoma)
The design criteria for this fiberglass-over-foam project: extended to the end of the lowered tailgate for maximum room (and further reduced aero wake); enough room in the "up" position for a raised floor to store gear beneath while still having room to sit up and move around comfortably; simple and convenient to use.
By a8ksh4 - 345 replies
In forum: Aerodynamics
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