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Video: Darrell Waltrip laps Bathurst with V8 Supercar driver Jason Bright

One of the most entertaining things to come out of the Bathurst 1000 last weekend in Australia--besides Garth Tander and Nick Percat taking the checkered flag--was ex-NASCAR driver and commentator Darrel Waltrip going for a wild hot lap with V8 Supercar driver Jason Bright. After taking the first turn at speed in the 650-hp Holden Commodore, Waltrip yells, “Impossible!” The video gets even more entertaining around the Esses and the Dipper, two succeeding corners. The clip is full of repeatable one-liners from Waltrip including, “I lost my lunch, and I didn't even have lunch.” He calls the track on Mount Panorama a geological oddity.

GM says natural-gas Chevrolet Impala on the way

General Motors said it will sell a version of the Chevrolet Impala sedan with the ability to switch between gasoline and natural gas, part of the automaker's plan for taking advantage of a U.S. drilling boom that has made natural gas a more viable fuel for cars. The dual-fuel Impala, to be announced today by CEO Dan Akerson at a conference here, will have one engine and two fuel tanks -- one for gasoline and one for compressed natural gas.

Long-time racing journalist Chris Economaki dies

UPDATE: Whoever you are, wherever you are, take a moment to think of Chris Economaki. Make it your personal tribute, however brief, to this grand old man of auto racing journalists because he left us late Thursday, Sept. 27 at age 91, and he left a hole in the motorsports firmament that can never be filled.