Even as emissions rules tighten, diesel engines are far from standing still. That was the message from engine makers and OEMs ...

Volvo's D13 engine cuts NOx emissions by 80%, aligning with 2027 EPA standards for cleaner, efficient heavy-duty truck ...

Can diesel meet the strictest ever NOx limits? Top OEMs discuss the innovations keeping diesel competitive in a zero-emission ...

Volvo says advances in combustion and aftertreatment helped its new EPA 2027 D13 engine avoid the fuel-economy penalties many ...

The diesel engine industry is at a pivotal moment in 2026, driven by technological advances, shifting regulations, and evolving market demands. The U.S. Environmental Protection Agency has rescinded ...

Diesel, gasoline, natural gas, and propane continue to be the primary fuel and technology choices for America’s commercial trucks, transit, and school buses, with the share of advanced technology near ...

Next‑generation Volvo engine combines expanded power, strong fuel efficiency, and the lowest NOx levels Volvo has ever offered. Volvo Trucks North America has introduced a new engine designed to meet ...

Decades of EPA rules for diesel engine emissions are in the crosshairs of new legislation in the Senate. Growing paid truck parking network hits a milestone. Wyoming Sen. Cynthia Lummis (R-Wyoming) ...

New guidance to engine manufacturers will reduce "derating," an automatic trigger forcing diesel engines to operate at a reduced capacity when the emissions system runs out of diesel exhaust fluid or ...

Volvo is doubling down on a multi-path strategy to cut emissions and improve efficiency, combining cleaner diesel engines, ...