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

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

In Europe, the BYD Shark will be sold in a single trim version, with a starting price of £47,290, including taxes in the ...

Trump pardoned eight individuals and six companies for diesel emissions delete device offenses against the Clean Air Act and ...

MotorTrend revisits its landmark 2004 comparison of the Toyota Prius, Honda Civic Hybrid, Honda Insight, and first-generation ...

The track-only Red Bull RB17 hypercar will make its dynamic debut at the Goodwood Festival of Speed this weekend, its V10 ...

Hino has also recently further enhanced its entire Hybrid Electric range of 300 Series with the standard fitment of its ...

Diesel engines still have their place in the modern automotive world, but they're not without flaws, one of the major ones ...

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

President Donald Trump has pardoned nine individuals convicted of violating the Clean Air Act through the sale or ...

President Donald Trump cleared the records of nine aftermarket diesel tuners and mechanics convicted of federal Clean Air Act ...

The parties were convicted and sentenced in late 2023 and early 2024 for a scheme to disable the emissions controls on ...