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Ethanol is a hit at the Indianapolis Motor Speedway.
After successful tests at Daytona and now Indianapolis, just one more test is planned for the Indy Racing League's new fuel and engine package for the 2007 season.
``So far it's been flawless,'' IRL spokesman John Griffin said. ``We were particularly curious about the cooling system, and that worked flawlessly the first time at Daytona Beach, and we had a chance ...
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