节能减排和能源危机双重压力的加大,使得节能与新能源汽车在近年来得到了长足发展。其中,天然气汽车因其节能、环保、低耗的优势迅速成为市场宠儿,天然气发动机也因此备受发动机生产厂家重视,客运市场特别是公交车市场作为最适合并且最有推广潜力的细分市场,更是成为发动机生产厂家的“必争之地”。虽然 The dual pressures of energy conservation, emission reduction and energy crisis have made energy-saving and new-energy vehicles have made great strides in recent years. Among them, natural gas vehicles have quickly become the darlings of the market due to their advantages of energy conservation, environmental protection and low consumption. Therefore, natural gas engines are highly regarded by engine manufacturers. As the most suitable and promising market segment for the passenger transport market, especially the bus market, Is to become the engine manufacturer “battleground ”. although