President Donald Trump pardoned Troy Lake on Friday. The 65-year-old Wyoming diesel mechanic spent seven months in federal ...

The president pardoned a Wyoming-based tuner who was found guilty of deleting emissions systems on diesel trucks.

Modern diesel cars, trucks and SUVs have selective catalytic reduction (SCR) systems to reduce exhaust pollutants and meet emissions standards. These systems work by injecting diesel exhaust fluid ...

Emissions can be reduced, and trucking fleets still can rely on today’s predominant vehicle technologies and fueling infrastructure.

Battery-electric vehicles are not the only path to decarbonization for the trucking industry. New research shows they might not even be the most effective path—renewable diesel could be far better. A ...

This week's 10-44 is brought to you by Chevron Delo 600 ADF ultra low ash diesel engine oil. It's time to kick some ash. Soot, nitrogen oxide, hydrocarbons, carbon monoxide, let's take a closer look ...

Successive rounds of diesel emissions regulations from the Environmental Protection Agency over two decades and more have had numerous cost impacts for heavy-duty trucks, including both the upfront ...

The number of new near-zero-emissions diesel trucks on the road increased 10.2% between 2021 and 2022, according to the Diesel Technology Forum. These are trucks using advanced diesel technology ...

As fleets weigh future NOx and CO₂ rules, Volvo Trucks North America’s Peter Voorhoeve offers a straightforward message.

China is rapidly replacing its aging diesel trucks with electric models, signaling a major shift in the world’s largest ...

Flo-Pro Performance Exhaust and its distributor Thunder Diesel & Performance are facing fines of $1.6 million in relation to a 2018 EPA investigation into the companies’ alleged violation of the Clean ...

A regional air quality program will replace 286 older diesel school buses with zero-emission models, a move officials said ...