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Eureka! Audi A3 TDI Spotlights Bright Future for Diesel and Biodiesel Technology in 1,000-Mile Green Car of the Year Tour
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Green car with bonnet up and showing biofuel VW engine within an Audi car - on display as part of an Eco Car Exhibition. UK Stock Photo - Alamy
Audi A4 and A5 now available to order as g-tron in Europe; Audi e-gas for 3 years as standard - Green Car Congress
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