To obtain the gas supply license, the fuelgas supply stations (including gas supply stations for fuelgasmotor vehicles, the same below) shall fulfill the following requirements.
燃气供气站点(含燃气机动车加气站，下同)取得供气许可证应当具备下列条件。
2
One experimental clean-energy car runs on natural gas. Another USES ethanol distilled from corn. A third has a zero-emissions electric motor powered by a hydrogen fuel cell.
Pollution caused by discharge of motor tail - gas has become the biggest polluting source in cities. Improving the quality of fuel can effectively control the deleterious agent discharged by motors.