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Nebraska is leading two state coalitions suing California and the U.S. Environmental Protection Agency over their individual emissions rules.

Democrats are asking the Department of Justice to investigate major oil companies and their trade groups following a congressional probe.

Legislation updating the Diesel Emissions Reduction Act was recently passed in the U.S. Senate.

The Environmental Protection Agency’s Phase 3 emissions final rule has been met with widespread opposition by key players in the trucking industry.

The Biden administration on March 20 announced new emissions standards for automobiles and light- and medium-duty pickup trucks.

The Biden administration is expected to soften proposed regulations meant to sharply curb vehicle emissions and promote EVs, two sources familiar with the situation told The Detroit News.

Trucking stakeholders in Washington state helped defeat a Senate bill that aimed to institute stringent truck-idling provisions modeled after California emission regulations.

A wave of opposition is mounting in Illinois to a bill that would have the state mirror California’s strict emissions laws that would eventually prohibit sales of diesel-powered trucks.

Former Volkswagen AG CEO Martin Winterkorn has again rejected any blame for a 2015 scandal in which the company used a so-called defeat device to undermine carbon emission testing.

Long Beach, Calif.-based startup Stax Engineering has deployed pollution-capturing tech at multiple ports for the first time, servicing ships at the ports of L.A., Long Beach and Oakland.