2008 Paris Auto Show - 2008 Mondial de L'Automobile
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The Audi A4 TDI Concept E is propelled by a 2.0-liter diesel engine employing various experimental emissions-reducing technologies like reduced-friction internal components and an active oil cooler and water pump that switch off when not in use. It also uses an energy-recuperation system that converts kinetic energy to electrical energy during vehicle deceleration. View Related Article
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