San Francisco Chronicle

23 governors pledge to back California model

- By Ellen Knickmeyer and Tom Krisher Ellen Knickmeyer and Tom Krisher are Associated Press writers.

WASHINGTON — Citing climatedam­aging tailpipe emissions, 23 governors signed a pledge Tuesday backing California leaders in their showdown with the Trump administra­tion over its plans to relax vehicle mileage standards.

The pledge by leaders of the states and Puerto Rico, most of them Democrats, comes as the administra­tion seeks to ease tougher mileage standards laid out by former President Barack Obama as part of his efforts against climate change. Legal challenges to Trump’s policy proposal threaten to disrupt the auto industry for years, and an influentia­l auto industry trade group is renewing its appeal for the compromise.

The administra­tion says American consumers increasing­ly want bigger, lesseffici­ent SUVs and pickup trucks. It argues that demanding evermore fueleffici­ent vehicles will drive up automobile costs and keep lesssafe, older vehicles on the road longer; opponents challenge that claim.

The governors’ pledge commits to sticking broadly to the prePreside­nt Trump mileage goals, a program of annual tightening in mileage standards that reduce climate-changing carbon emissions. Transporta­tion and the power sector are the largest sources of heattrappi­ng fossil fuel pollution in the U.S.

At stake is California’s ability to set its own emissions and fuel economy standards, a power granted by Congress in the Clean Air Act to combat the state’s smog problems in the 1970s.

Besides California and Puerto Rico, the pledge was signed by the leaders of Colorado, Connecticu­t, Delaware, Hawaii, Illinois, Maine, Maryland, Massachuse­tts, Minnesota, Montana, Nevada, New Jersey, New Mexico, New York, North Carolina, Oregon, Pennsylvan­ia, Rhode Island, Vermont, Virginia, Washington and Wisconsin.

 ?? Ben Margot / Associated Press 2015 ?? Vehicles head westbound across the Bay Bridge. A group of governors has sided with California on mileage standards.
Ben Margot / Associated Press 2015 Vehicles head westbound across the Bay Bridge. A group of governors has sided with California on mileage standards.

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