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On Sept. 10, Rudy’s Performance Parts Inc. and its owner, Aaron Rudolf, were sentenced in federal court in Washington, D.C., for conspiring to violate the Clean Air Act.

The EPA’s recent approval of a California law forcing warehouses to reduce emissions or pay mitigation fees tied to truck deliveries now provides stronger enforcement options.

The Environmental Protection Agency issued an emergency waiver of fuel rules in four Midwest states to address shortages tied to a power outage at an Exxon Mobil Corp. refinery in Joliet, Ill.

WASHINGTON — The Environmental Protection Agency is awarding $4.3 billion in grants to fund projects in 30 states to reduce climate pollution.

Clean Fuels Alliance America told the EPA that it will sue over the agency’s delay in establishing 2026 biofuel volumes in its Renewable Fuel Standard program.

General Motors has agreed to settle allegations that nearly 6 million of its pickups and sport utility vehicles released more emissions than the company reported.

The Clean Fuels Alliance America filed a lawsuit against EPA for adopting a heavy-duty truck regulation that the group claims fails to evaluate the use of biodiesel and renewable diesel.

One of my guiding principles, both personally and professionally, is to fix the problem. The commercial truck industry definitely has a problem to fix, writes ATD Chairman Scott Pearson.

Government officials, public agencies and business interests warn EPA  that approving California’s rule to outlaw diesel locomotives will harm the nation’s interconnected rail system.

Renewable fuel production targets are too low to sustain the sector and have resulted in shuttered biofuel companies, a consortium of trade associations stated in a letter to EPA's Michael Regan.