Diesel Audi TT Sips Fuel at 42 MPG

INGOLSTADT, Germany — After showing a diesel concept of its R8 supercar in Detroit, Audi is bringing diesel to the sports-car market with the TT 2.0 TDI. Audi claims to have the first diesel sports car with its unique package that combines the TT's iconic sloping roof line and respected handling with a fuel-sipping engine.Making 170 horsepower and 258 pound-feet of torque, the diesel TT isn't