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natural gas: Indy Car
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natural gas: Dario Franchitti in his car
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natural gas: Turning
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natural gas: Vroom!
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natural gas: Indy Car
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natural gas: Race fan
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natural gas: Indy Car
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natural gas: Indy car
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natural gas: Dario Franchitti
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natural gas: Indy Car
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natural gas: Indy Car
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natural gas: Indy Car, working on the transmission
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natural gas: Grid Girl
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natural gas: Indy Car
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natural gas: Indy Car
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natural gas: Porch pooch
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natural gas: Indy Car, body parts in the paddock
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natural gas: Race fan
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natural gas: Indy Car
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natural gas: Race fans
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natural gas: Race worker
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natural gas: Race fans, some with too many beers?
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natural gas: Race fans, or at least downtown residents
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natural gas: Tire tech
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natural gas: Under the grandstands