Day at the races
Gasoline internal combustion cars eventually were the death of electric and steam-powered vehicles in the early 1900s. But racing cars back in the day didn't always run on gasoline. Ethanol was often used by racing cars, including William K. Vanderbilt's racers such as this Packard Wolf, according to Bill Kovarik, professor of Communication at Radford University.
March 5, 2012 3:59 AM PST
Photo by: Vanderbilt Cup Races
| Caption by: Martin LaMonica
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