Audi A1 - with range extender

AUDI is working on the electrification of the A1. In the AUDI A1 E-TRON, a small single-rotor Wankel engine is used as a range extender. The engine has a displacement of a 254 cc and runs at a constant speed of 5000 rpmin its optimum efficiency range. The rotary engine drives a generator that produces up to 15 kW of electriv charging power. Including the generator, the entire assembly weighs approximately 65 kg. Fuel consumption is reported to be 1.9 l/100 km - a CO2 equivalent of 45 g/km. AUDI is to start fleet trials with the A1 E-tron in 2011.

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