The Volkswagen Group is preparing a revolution in petrol engine efficiency, according ?to hints from Audi technical chief Ulrich Hackenberg.
Speaking at Audi’s recent annual conference, he said engines with “electro-mechanical assistance for forced induction” and “variable compression ratios” were in development.
Hackenberg also said coasting would become an important fuel-saving technology over the next few years. A coasting function - where the transmission disengages from the engine on the overrun - is already built into some VW Group models equipped with dual-clutch automatic gearboxes.
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