fleet mileage        
[der] ①（燃）均消耗。②（通）合里程数。②体燃燃烧效。厂汽均油耗。
average consumption, average economy, composite mileage, CAFE: corporate average fuel economy, average fuel economy(AVE ECON), corporate mileage, fleet mileage

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[der] 体油耗。厂汽均油耗。
CAFE: corporate average fuel economy, average fuel economy, corporate mileage, fleet mileage