Researchers in the United States have demonstrated a diesel engine system that can meet ...

Southwest Research Institute (SwRI) announced on June 10, 2026, that it has successfully demonstrated a diesel engine system ...

Since its introduction in 1886 by Karl Benz, the automobile has been a fundamental force that changed the world. From enabling economic growth, bridging distances, and accelerating the development of ...

In this study, we analyzed particle emission characteristics in the engine restart (ER) phase of a hybrid electric vehicle (HEV) based on driving characteristics and ambient temperature. The ambient ...

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.

The Environmental Protection Agency announced it is taking actions to ease the frustration and disruptions around sudden “derates” of diesel engines when they run out of diesel exhaust fluid or have a ...

California Attorney General (AG) Rob Bonta and the California Air Resources Board (the Board) have reached a $46 million agreement with engine manufacturer Cummins Inc. to settle alleged violations of ...

US engine maker Cummins Inc has agreed to pay $1.67 billion to settle claims it installed devices to defeat emissions controls in hundreds of thousands of pickup truck engines, the Justice Department ...

Emissions-control technology for mobile sources has developed in a series of interactive steps with the promulgation of emissions standards for new vehicles and engines and for fuel regulation. For ...

Farming tractors consume the most share of diesel fuels in agricultural sectors. As most engine tests are performed in engine laboratories, the study aims to examine the effect of biodiesel, diesel, ...