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Officials roll back Obama-era tailpipe pollution rules

Apr 01, 2020 - The Washington Post

The Trump administration released its far-reaching rollback of Obama-era tailpipe pollution standards Tuesday, describing the new looser rules as reflecting its "largest deregulatory initiative" yet.

Instead of improving fuel efficiency by about 5 percent a year, the new standards require a 1.5 percent annual improvement through model year 2026, which will result in sharp increases in greenhouse gas emissions.

An earlier draft of the rollback envisioned freezing the standards, requir...