The headlights on the forthcoming Audi A8 sedan can illuminate around corners and throw brighter-than-average beams. They’re also smarter, adjusting automatically to traffic, pedestrians, and road conditions. “Extremely trick,” admired Car and Driver magazine. Audi plans to put the sedans into showrooms around the world this year. U.S. drivers likely will have to wait longer for models equipped with the headlights. That’s because a 1968 regulation requires that headlights switch between two settings: high and low.
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