A new donut is being baked. Two, to be exact. The American Petroleum Institute’s Lubricants Group has established a New Category Development Team to launch the test-development phase of what will be a ...

Southwest Research Institute (SwRI) has developed a method to automate the calibration of heavy-duty diesel truck emissions ...

Power management company Eaton says its Vehicle Group recently demonstrated cylinder deactivation (CDA) as an effective technology for meeting future global emissions requirements for diesel-engine ...

As GM Authority reported back in September 2021, a lawsuit had been filed against General Motors over the suspicion of an emissions defeat device in diesel-powered Chevy Cruze units. Now, after eight ...

A family is asking President Trump to pardon their husband and father in light of recent changes to emissions rules they see undoing his past diesel emissions removal crime. His case isn’t the only ...

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

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Lawyers representing over 1.6 million claimants, forming what's being called a NOx (nitrogen oxides) Emissions Group, have opened proceedings in London's High Court at the start of a massive trial.