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When it comes to science, temperature matters. And when it comes to Wisconsin, things get really, really cold.

Despite the ongoing rush of alternative-fuel tech, the gasoline engine's having a moment thanks to advances from Jaguar and the Department of Energy. Jaguar CX75 million-dollar hybrid Last year Jaguar teased an incredible concept car, the CX75, that had an electric engine in each wheel and a pair of high-performance gas turbines in its truck to provide the electrical power

By Tom Doggett WASHINGTON (Reuters) - Gasoline containing up to 15 percent ethanol should be available for the coming summer driving season as the government moves to finalize labeling and other issues for the new motor fuel. [More]