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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 - 435 replies
In forum: For Sale

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 - 528 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 - 168 replies
In forum: Hypermiling / EcoDriver's Ed

1997 Civic CX to HX engine/VX trans swap! 63 MPG @ 62 MPH   1997 Civic CX to HX engine/VX trans swap! 63 MPG @ 62 MPH
When his 1997 Civic CX engine needed a lot of work, turbovr41991 decided to spend his repair time doing something different: he picked up a rusty Civic HX and swapped over the more efficient lean burn engine instead, and went with the more efficient gearing of the Civic VX. With a few other modifications in place, the car is returning seriously impressive highway fuel economy.
By turbovr41991 - 181 replies
In forum: EcoModding Central

2005 Prius engine into 1986 MR2: mk1 1nzfxe Prius swap (gas only)   2005 Prius engine into 1986 MR2: mk1 1nzfxe Prius swap (gas only)
Mr220v informs us that used Prius engines are dirt cheap, and therefore fun to experiment with! He swapped one into an MR2, and using the Prius variable cam timing/Atkinson design, he now has variable compression on demand, via a push-button. He's still working out tuning, but fuel economy has gone up a healthy amount, from ~30 to 37 mpg (US).
By mr220v - 111 replies
In forum: Success Stories

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 - 322 replies
In forum: EcoModding Central

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

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 - 73 replies
In forum: EcoModding Central

Staying cool with out air conditioning   Staying cool with out air conditioning
Oil pan 4 builds a liquid cooled seat to stay cool without air conditioning.
By oil pan 4 - 70 replies
In forum: EcoModding Central

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 - 105 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

Review: driving a $9998 2015 Nissan Micra (Nissan   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

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

Have you ever given 1-on-1 ecodriving instruction? (Here   Have you ever given 1-on-1 ecodriving instruction? (Here's how I did it.)
MetroMPG walks us through his recent experience of teaching individual "non-hypermilers" about ecodriving. With just an hour-long session, each driver's results showed an immediate increase in fuel economy above their car's EPA ratings.
By MetroMPG - 105 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 60ís 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 - 169 replies
In forum: Aerodynamics





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