8 trucks – will have multiple of providers (Cummins, Ballard, Plug Power, Bosch, Nikola, GM, Toyota, Volvo, etc) • The zero emission EPA approved RNG engines are already in production by Cummins for Class 8 trucks • Ann other components are the same as on diesel locomotives • In 2015, the US locomotive producers made over 3,500 line haul机车;总切换器和线路运输