Trump's 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 auto industry analysts.

| UPDATED: 3/23/17 12:39 pm ET - adds details

California snubs free EVs, auto industry says in push back on new emissions mandate

The proportion of Californians making electric cars their new set of wheels has stayed flat for years even though incentives make some models

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