Our hypermiling friends at Ecomodder.com took home three trophies at the Green Grand Prix, including top honors for an astonishing 99.7 mpg. "It was a fun event," Cosgrove told us. That's him with his ...

We tend to think of motorsport and fuel efficiency as being at odds with one another. A hot lap is just about the worst way to get good gas mileage, for example. But motorsport and mileage aren’t ...

In his endless quest to squeeze every possible mile from a gallon of gasoline, our friend Darin Cosgrove has given his econobox a homemade boat tail and boosted his fuel economy to 64 mpg. Cosgrove, ...

Hypermilers (ecomodder is the preferred term) are a different type of car enthusiast. They modify their cars and driving styles to achieve optimal fuel economy, which often leads to sensational ...