Executives

Trump review of emissions rules may only slow march to higher mpg

Emissions rules set by the EPA may take a backseat to consumers demanding vehicles that guzzle less gas and automakers having to meet tougher standards if they want to export cars overseas, according to analysts. California and nine other states in the ZEV program -- eight in the northeast, plus Oregon -- are expected to move ahead on Friday with previously established targets.

| UPDATED: 3/23/17 11:37 am ET - adds details

Cost of mpg fuel standards could be 40% lower, report says

Technologies such as turbochargers, advanced transmissions and lighter materials -- aluminum instead of steel, for example -- could reduce fuel

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