目前的研究正在寻找燃料的替代用法，显而易见的一种是用压缩的天然气驱动车辆。
压缩天然气（CNG）是专用于汽车替代汽油的燃料。
The general developing situation of compressed natural gas (CNG) technology is introduced in this paper.
压缩天然气（CNG）是专用于汽车替代汽油的燃料。
The general developing situation of compressed natural gas (CNG) technology is introduced in this paper.
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