Green vehicles are intended to have less environmental impact than equivalent standard vehicles, although when the environmental impact of a vehicle is assessed over the whole of its life cycle this may not be the case.
绿色汽车是为了比同等标准的车辆对环境造成更小的影响，虽然车辆对环境的影响是要考虑到整个生命周期的 ，所以这可能并非如此。