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 ...

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

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

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 ...

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 ...

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 ...

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 ...

California air quality regulators have adopted the nation's toughest emission standards for construction vehicles, which contributes close to 20% of the state's diesel pollution. An estimated 180,000 ...

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

Overall, this modern diesel brings a new level of fuel efficiency to the Grand Cherokee while retaining a mostly civilized ...

Southwest Research Institute (SwRI) has advanced hydrogen-powered transportation by upgrading its heavy-duty hydrogen ...