Photos: Ecomodders make fuel good to the last drop

"The more it hurts to drive, the more people are interested in this topic," said Darin Cosgrove, an Ontario-based Web developer, who co-founded the Ecomodder forum.

He and other ecomodders note that a car's teardrop tapering in back is just as important to its fuel economy, if not more so, as the shape in front.

The styling of Turner's Aerocivic, shown here, echoes that of Tatra sedans made in Czechoslovakia in the mid-20th century.