Senator urges EPA watchdog to expand investigation into new fuel efficiency rules

Sen. Tom Carper, D-Del.: "The most procedurally problematic process my office has ever reviewed." (Sen. Tom Carper)

May 20, 2020 03:48 PM

U.S. Sen. Tom Carper sent a letter Monday asking EPA Inspector General Sean O'Donnell to expand the agency's investigation into the new fuel efficiency rules adopted under the Trump administration.

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