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

The move came on the heels of an EPA memo affirming Americans' right to repair their diesel-powered machinery.

On July 3, 2026, President Trump pardoned early a dozen people who were convicted under the Clean Air Act for tampering with ...

Scientists are exploring a surprisingly simple way to clean up diesel engine exhaust by inserting microscopic drops of water ...

Discover Toyota’s indestructible diesel masterpiece that is still in production three decades later.

President Donald Trump issued pardons for nine people convicted of violating the Clean Air Act ahead of the July 4th weekend, according to the White House. The President initially announced the ...

Environmental advocates worry the plan could add to the persistent ozone struggle along Colorado’s Front Range. The complex ...

Wyoming's most famous diesel “delete" mechanic Troy Lake, who was pardoned by Trump after a prison stint, advocated for the ...

Shipley Energy reports that businesses storing diesel fuel in summer must manage heat effects, adopting practices like shaded ...

The long-awaited proposed changes in a set of EPA heavy-duty truck regulations that loosely is referred to as "the NoX rule," ...

The VW ALH 1.9 TDI reaches 500,000 miles without DPF or AdBlue systems. Here's why this simple diesel still makes sense as a ...

Wildfire smoke is complicating decades of clean-air progress nationwide and raising new concerns in the South Bay and inland ...