If the car needs more range, a gas engine kicks in to power a generator that creates additional electricity for the electric motor.
如果汽车需要更多的里程，燃气发动机就投入使用，产生额外的电能来驱动电机。
2
GM has been selling the Chevrolet Volt plug-in electric car since late 2010, but it goes only 38 miles on electric power before a gasgenerator kicks in.
GM自2010年就开始销售雪佛兰伏特混合动力电动车，但仅凭电力系统只能行驶38英里。
3
Development, manufacture and promotion of environment friendly, efficient and energy-saving industry welding gas, natural gas additive and natural gas-diesel dual-fuel electric power generator system.