US carmakers are struggling to reconcile customers’ growing interest in running vehicles on newly abundant natural gas with the logistical challenges of supplying the technology for the still-niche market, according to senior automotive executives.
汽车业高管表示,美国汽车制造商难以满足顾客对天然气动力汽车日益增强的兴趣,因为在这一仍属缝隙的市场供应相关技术仍有不少物流挑战。近年美国天然气供应变得充足。
The interest in compressed natural gas vehicles is the latest result of the gas glut following the shale oil and gas revolution. New drilling techniques have unlocked vast, previously inaccessible gas supplies in shale rocks.
对于压缩天然气汽车的兴趣是页岩油气革命之后大量天然气供应的结果。新的钻探技术从页岩中释放出以前无法获取的大规模天然气供应。
Normal vehicles can use the plentiful fuel – which produces fewer greenhouse gas emissions than petrol or diesel fuel – with the addition of large fuel tanks and minor modifications to the engine. Large customers can sign long-term contracts to buy natural gas at low prices. However, Chrysler, smallest of the big three US carmakers, is offering only one vehicle with a CNG fuel option, while General Motors, largest by sales, is offering only a few models.
一般的汽车可以利用这种储量丰富的燃料(其产生的温室气体排放少于汽油或柴油燃料)——只要加装体积较大的气罐,并对发动机进行少许改动。大型客户可以签订长期协议,以低价购买天然气。然而,美国三大汽车制造商中规模最小的克莱斯勒(Chrysler)仅提供一款以压缩天然气为动力的汽车,而销量最大的通用汽车(GM)推出的车型也很少。
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