GENEVA, Switzerland --- At the 2008 Geneva Auto Show, Volkswagen unveiled a Golf TDI Hybrid concept car that boasts 69 mpg and emits less than 90 g/km of CO2, Edmunds reported.

The automaker said the car "is currently a concept vehicle, but a version is likely to go into production in the future."

The car features a 27-horsepower electric motor, VW's new seven-speed DSG dual-clutch transmission and a 1.2-liter three-cylinder common-rail turbodiesel rated at 74 hp and 132 pound-feet of torque.

The electric motor, which makes 103 lb-ft, can power the car on its own at low speeds, and replaces the conventional starter motor and alternator, Edmunds reported.

The Golf TDI Hybrid uses a nickel metal hydride battery pack. The diesel engine is equipped with a stop/start system that can shut the engine down at idle to conserve fuel.