High Energy: We catch up with Red Bull F1 boss Christian Horner

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Count Infiniti Red Bull Racing Boss Christian Horner among the skeptics as Formula 1 prepares to shift to new turbocharged four-cylinder engines next year after using 2.4-liter V-8s since 2006. Meeting with a small group of journalists shortly before the United States Grand Prix in Austin, Texas, he called the new turbo engines an ?immature [...]

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