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Yu Chengdong published an article that delves into the automotive drag coefficient, emphasizing its pivotal role in determining the driving range of electric vehicles. He highlighted that when a car travels at a speed of 120 km/h, the energy expended on overcoming wind resistance can soar to as high as 70%. Given the same battery capacity, variations in the drag coefficient can lead to a significant disparity in driving range, spanning tens of kilometers. Recently, the all-electric Ultra variant of the Luxeed R7 achieved a milestone certification. In a professional wind tunnel test conducted by the China Automotive Technology & Research Center, at a speed of 120 km/h and a temperature of 23℃, it recorded a remarkably low drag coefficient of just 0.217.
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