BBC’s TopGear magazine has awarded its “Innovation of the Year” to the Volkswagen XL1.

Commenting on the award, BBC TopGear magazine said that the XL1 is “a demonstration of boundaries successfully pushed and expanded. You can’t unlearn this kind of progress.”

The Volkswagen XL1 vehicle is, per VW, the result of over a decade of research, development and engineering excellence.  With an ultra-aerodynamic body  resulting in a drag coefficient of 0.189 Cd and hybrid drivetrain, housing an 830 cc two-cylinder turbodiesel engine paired to a 27 kilowatt electric motor and seven-speed DSG gearbox, this carbon fiber-bodied vehicle can achieve a 313 mpg on the combined cycle EU fuel-economy test while emitting 21 g/km of CO2.

While the XL1 is on sale in limited numbers, VW said one of its principal purposes is to serve as a platform to push the boundaries of technology for mass-produced vehicles. To this end, Volkswagen recently unveiled the twin up! concept car at the Tokyo Motor Show.

The twin up! integrates a version of the drivetrain from the XL1 in the five-door body of the up! city car.  It can achieve a combined fuel consumption figure of 256.8 mpg and CO2 emissions of 27 g/km on the combined cycle EU fuel-economy test.