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Coast to coast with Audi's turbodiesel engine

Americans will soon get a firsthand look at the Audi Q7 3.0 TDI's fuel efficiency. The company has announced it will take on a two-week trek across the country to display its new clean diesel technology. Covering more than 7725 kilometers, the Mileage Marathon will begin on October 5th, in New York. The team of 184 drivers is expected to arrive in Los Angeles on October 20th.