GM Whirlfire engine
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The GM Whirlfire gas turbine engines were developed in the 1950s by the research division of General Motors Corporation and fitted to concept vehicles, including the Firebird concept cars, Turbo-Cruis
Firebird I / XP-21 is powered by the GT-302
Detroit Diesel
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Detroit Diesel Corporation is an American diesel engine manufacturer headquartered in Detroit, Michigan. It is a subsidiary of Daimler Truck North America, which is itself a wholly owned subsidiary of
A GMC Savana with the company's logo.