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"Pininfarina was one of the first companies to install a wind tunnel (in 1972). A direct result of testing in this environment was the PF-CXR family- size car, which achieved a world record Cd figure of 0.161 and had a curious banana-shaped form: Pininfarina proved it could be practical by creating a version with air intakes, lights, and mirrors (though the Cd figure increased lo 0.23)."
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