Decades of EPA rules for diesel engine emissions are in the crosshairs of new legislation in the Senate. Growing paid truck parking network hits a milestone. Wyoming Sen. Cynthia Lummis (R-Wyoming) ...

Wyoming Sen. Cynthia Lummis (R-Wyoming) has introduced legislation that would effectively undo decades of Environmental Protection Agency (EPA) rules for diesel engines and ban emissions control ...

The California Air Resources Board alleged that 10,000 Volvo truck engines used auxiliary emission control devices that ...

The EPA, and emissions “defeat devices” are hot topics right now, but there are a lot of untruths in what’s being said. Once again, the U.S. Environmental Protection Agency’s level of authority (some ...

This surprising settlement involves heavy-duty Volvo truck emissions violations in California.

As the well-abused news phrase goes, "in a dramatic turn of events," the U.S. Environmental Protection Agency (EPA) released its final National Enforcement and Compliance Initiative (NECI) for 2024 ...

Sen. Mark Kelly confronted the head of the EPA over an exemption tied to toxic emissions at a copper plant east of the Valley.

On Friday, the US Environmental Protection Agency released a proposed rule that would scale back federal limits on emissions of ethylene oxide (EtO), which is used to sterilize medical equipment such ...