Teams from around the world are gearing up for the Automotive X Prize, a competition that will award part of $10 million to the team that builds the cleanest production-ready 100 MPGe (mile per gallon equivalent) vehicle.
aerodynamics
100 MPGe Automotive X Prize Offers $10 Million Purse
Aptera’s $26,000 Electric Car and 300 MPG Hybrid Coming Soon : Gas 2.0
For under $30,000, you will soon be able to buy an electric car with a 120 mile range, or a plug-in hybrid that gets 300 miles-per-gallon.Sound like a fantasy, but this one could be coming to a dealer near you. Slated for release in 2008 [see story].
The World’s Most Fuel Efficient Car: 285 MPG, Not A Hybrid : Gas 2.0
A few years ago, VW created a secret car that uses only 1 liter of fuel for every 100 km. That’s 285 MPG, and it's not a hybrid. It's a super-efficient lightweight diesel. Take a look at what they did...

Aerocivic @ Ecomodder - how to drop your Cd from 0.34 to 0.17
An extreme ecomodder gets great mileage by modifying his car's aerodynamics.