But the industry leaders are worried regulators in the U.S. and Europe, under pressure to respond to climate change and address climbing oil prices, will force car makers to dramatically decrease the petroleum consumption of new vehicles.

• 但业界领导人都担心，在对气候变化做出反应和应对高油价的压力下，美国和欧洲的监管机构将要求汽车厂家大幅度降低新车型的耗油量。