It's the first time a diesel car has taken a checkered flag
Mazda says it won a big race in a new way at the Indianapolis
Motor Speedway -- with a diesel.  The win by a Mazda6, a midsize
sedan, in the Grand-Am Brickyard Grand Prix marked the first
time that a diesel has won a car race at "the brickyard," as the
track is nicknamed. The win is significant because autoimakers
are still trying to sell American motorists as clean and thrifty
when it come to gas.  The winner car was the No. 70, the
SpeedSource Castrol Edge Mazda6 SKYACTIV-D Clean Diesel. It
marked the fifth winning race in a row for Mazda6, and moves it
ahead of Porsche after eight of 12 races in the GX manufacturers
championship race. Mazda traded first place in Porsche several
time during the race.  STORY: Pot ad outside Indy race snuffed
out  Cars with diesel engines have tried and failed to win
before at Indy, Mazda says. The Cummins Engine Special won the
pole for the Indy 500 in 1952, but never captured the checkered
flag.  Porsche and Mazd