Hypermilers boost Chattanooga-made diesel Passat mileage to new record

photo President and CEO of Volkswagen Group of America Jon Browning, center, poses with Bob Winger, and Wayne Gerdes, right, following the Guinness World Record certificate presentation on Monday, June 24, 2013 at Volkswagen Group of America headquarters in Herndon, Va.

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Springdale's Jordan Dennis Dunks

Springdale High sophomore guard Jordan Dennis performs a poster dunk against Springdale Har-Ber to regain momentum for the Red'Dogs.

Springdale High sophomore guard Jordan Dennis performs a poster dunk against Springdale Har-Ber to regain momentum for the Red'Dogs.

The Chattanooga-made, diesel-powered Volkswagen Passat boasts an impressive EPA-certified 31 miles per gallon in the city and 43 miles per gallon on the highway with a manual transmission.

But