UNIFE：2018年欧盟法规2016/1628-轨道车辆应用常见问题解答报告（英文版）

The regulation applies to engines of any power, any ignition system and any fuel, irrespective if they are variable or constant speed, which are installed or intended to be installed in non-road mobile machinery unless excluded from the scope of the regulation. This regulation also applies to the non-road mobile machinery, including railway vehicles, to which these engines are fitted to the extent that engine exhaust emissions are concerned.