WASHINGTON -- A group of 34 Republican senators said on Thursday they would seek to overturn U.S. Environmental Protection Agency rules that aim to drastically cut smog- and soot-forming emissions from heavy-duty trucks.
The senators said the Biden administration rule finalized in December was overly challenging to implement, would make trucks cost prohibitive for small business owners and would increase supply chain costs.
Under the Congressional Review Act, a simple majority vote in both chambers of Congress can reverse recently finalized rules. Democrats hold a 51-49 majority in the Senate, while Republicans narrowly control the House.
The new standards, the first update to clean air standards for heavy duty trucks in more than two decades, are set to take effect March 27 and are 80 percent more stringent than current standards.
U.S. Sen. Deb Fischer, R-Neb., is leading the effort to repeal the rule. She said the "aggressive" EPA rule would in…