Official Word:

The XL1 from Volkswagen is the most fuel-efficient production car in the world, with a European combined fuel consumption rating of 261 mpg. Thanks to its plug-in hybrid system, this two-seat vehicle can also cover up to 32 miles as a zero-emissions vehicle in all-electric mode. The XL1 is an automotive standout that follows pure sports-car design principles: light weight (1753 pounds), exceptional aerodynamics (Cd 0.19), and a low center of gravity. This super-efficient Volkswagen thus...Read.