On April 1, 2020, the Environmental Protection Agency announced its final rule to rollback Obama-era automobile fuel efficiency standards. The new rule will allow vehicles on American roads to emit nearly a billion tons more carbon dioxide over the lifetime of the vehicles than they would have under the prior administration’s standards.
The new rule, which is expected to be implemented by late spring, will roll back a 2012 rule that required automakers’ fleets to average about 54 miles per gallon by 2025. Under the …
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