Trump uses Detroit as stage for loosening fuel economy rules (NYT)

The fuel-economy rules, aimed at cutting heat-trapping carbon dioxide, were one of the two main pillars of President Barack Obama?s climate change legacy. Put forth in 2012, they would have required automakers to nearly double the average fuel economy of new cars and trucks to 54.5 miles per gallon by 2025, forcing automakers to speed development of highly fuel-efficient vehicles, including hybrid and electric cars.

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