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运用生命周期评价方法,对以天然气为原料生产压缩天然气、甲醇、二甲醚、柴油4种汽车代用燃料系统进行生命周期的能源、环境和经济评价.评价结果是:压缩天然气系统生命周期内的能耗相对少,总成本相对低,对生态环境更友好,压缩天然气是富含天然气地区一段时期内汽车代用燃料的优先选择.
Using life cycle assessment method, the life cycle energy, environment and economic evaluation of four kinds of automotive fuel systems with CNG, methanol, dimethyl ether and diesel are studied using natural gas as raw material.The evaluation results are as follows: Relatively low energy consumption, relatively low total cost and a friendlier ecological environment make CNG a priority for alternative fuels in vehicles that are rich in natural gas over a period of time.