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 ...

Two federal agencies in June announced criminal charges against five parties, alleging they installed devices to disable emissions control systems — a violation of the Clean Air Act, among other ...

The EPA questions if diesel DEF de-rates are essential for emissions compliance. Could changes be on the horizon? Discover ...

Navistar’s new International S13 Integrated Powertrain, designed in close collaboration with the Traton Group for the North American market, is the last internal combustion engine powertrain the ...

For more than 15 years, the diesel engine has undergone an evolution impressive by even Cro-Magnon standards. According to the Environmental Protection Agency (EPA), transportation sources emitted 29 ...

Ben Mullins has received research funding from companies which supply ancillary components such as filters to automobile manufacturers. He has also been a co-investigator on projects funded by mining ...

Researchers have developed an advanced "closed-loop control" approach for preventing diesel engines from emitting greater amounts of smog-causing nitrogen oxides when running on biodiesel fuels.

Electronic Fuel Injection (EFI) is a solution that guarantees a low emission as well as a fuel consumption optimization, for small motors that, otherwise, can be very polluting. This fact underlines ...

Starting in 2026, diesel owners and repair shops will no longer run the risk of federal criminal chargers for performing two ...

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 ...

Continuing just-auto’s series of interviews with leading players in the global exhaust system market, Matthew Beecham talked with Tim Jackson, Executive Vice President, Technology, Strategy and ...

The Justice Department says it will no longer pursue criminal charges for removing emissions controls from diesel vehicles.