GM makes U-turn in Trump's fight over California emissions

GM had previously sided with the Trump administration in a legal fight over California setting its own emissions standards.
General Motors CEO Mary Barra speaks to the news media before the automobiile maker's annual meeting of shareholders at GM world headquarters June 12, 2018 in Detroit, Michigan.
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American transportation is a major pollutant. See exactly where it's coming from.

Oct 16, 2019
Journalists and researchers have teamed up to map emissions from transportation around the United States.
Heat waves emanate from the exhaust pipe of a city bus in Los Angeles.
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Why Trump’s looser emission standards are mixed blessing for automakers

Aug 2, 2018
13 states are challenging the proposal.
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