The PLX Kiwi dashboard computer plugs into your car and provides real-time info on how your driving habits affect gas usage — and how to correct them for maximum fuel efficiency.
fuel efficiency
What’s Your Kiwi Score? Device Trains You How to Save Gas
Did You Know? High MPG Doesn’t Equal Fuel Efficient Cars
A useful little tip about the truth of your vehicle's actual Mile Per Gallon rating.

Squeeze Some More MPG out of your Gas Guzzler with Hypermiling
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Everyone's talking about it... Hypermiling is squeezing the most MPG out of your ride. Here are 10 easy tips that will save you some money at the pumps and won't get you killed!
How I increased my fuel efficiency by 38%
By using the more 'controversial' methods of hypermiling alone, I was able to increase my fuel efficiency by 38%!!!
Hypermiling 101

It would be great if everyone could go out and buy the most fuel efficient car they could find. Everyone would cut their carbon footprint and carbon emissions everywhere would drop. Unfortunately, most of us cannot afford to simply go and buy a new car, or even a used one for that matter. But you can still cut your carbon footprint by driving more efficiently, of Hypermiling – getting the best mileage out of your car.

USPayMail.. eliminating the waste and inefficiency of the postal system?
USPayMail.com, a street address based online mailing community, with aims of eliminating the waste of the postal service, and spam associated with email. Sign up free at www.USPayMail.com to help create change!
Big Rig “active flow control” could save 2.4 B gallons of fuel
Georgia Tech air flow system could save 2.4 billion gallons of fuel per year for tractor trailers.
Top 10 Fuel Efficient Cars
Top 10 Fuel Efficient Cars. List and Stats. 2008
How to get a better mileage on your car or truck and save money on gas
With the latest rises in gas prices, many people find themselves unable to afford gas for their cars. Follow this useful tips to find out how to increase fuel efficiency

Students create biodegradable insulation out of rice
Two students from the Rensselaer Polytechnic Institute have created a biodegradable insulation out of rice, mushroom fibers and recycled paper. It could be on the market by 2010.
2008 Indy 500 Goes Green

The Indy 500 took some big steps this year towards fuel efficiency, specifically with ethanol. Cool post and video.
GM Engineers Say All Cars Should Have Gas Mileage Displays
Engineers at GM have made reccomendations that all cars should have gas mileage displays.
6 Stupidly Simple Steps to Saving Billions of Gallons of Gas
OK...gas prices are getting out of hand, and carbon emissions have been out of hand for a long time. So let's kill two birds with...well...five stones. Sometimes, there are simpler ways. In fact, an absolutely tremendous amount of gasoline could be saved in America with some very simple measures. We break it all down and figure out how much gas can be saved with some stupidly simple techniques.

2009 Jetta BlueTDI Comes to US This Summer, Sports 60 MPG « Chemistry for a sustainable world
THe new 2009 Jetta TDI from VW will have a turbodiesel engine, will meet th etoghest US emissions standards and will get 60 MPG.
Video: General Motors Experts Offer Tips to Conserve Fuel
 While the price at the pump is not expected to ease anytime soon, experts at General Motors say there are ways drivers can ease the number of trips to the gas station. Adhering to the recommended speed limits is one way to conserve fuel says experts.