The agency says the changes could save truckers $12 billion while still maintaining environmental protections.

EPA's relaxed NOx rule, as many expected, removes the warranty extension—and proposes annihilating the troublesome DEF derate ...

The Environmental Protection Agency on Thursday unveiled a proposal that, while leaving in place the actual emissions limits mandated in a 2023 final rule for model year 2027 engines, could put a ...

For months, diesel truck owners have wondered whether the Trump administration would dramatically roll back EPA emissions ...

I’m going to sound like a Chad when I say this, but: driving a vehicle off-road to get to a campsite, to conquer tough trails, to get to a fairly remote trailhead, or for the fun of it isn’t just a ...

Eston and Normanby covers the TS6 postcode and includes Eston, Grangetown, Normanby, South Bank, Lazenby, Teesville. The land around Eston has been occupied since 2400 BC, but it was the discovery of ...

Cummins and PACCAR are updating diesel engine software to give operators more time to address certain DEF-related issues ...

July 9, 2026 Oak trees keep absorbing carbon dioxide long after their annual growth has ended, revealing that photosynthesis and wood production are not as closely linked as scientists once believed.

Updated diesel engine software gives truck operators more time to address emissions-system issues while staying compliant ...

These two major engine manufacturers are aligning with relaxed EPA guidance related to sudden derates due to DEF/emissions ...