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Diesel Emissions

EPA Truck NOx Pre-Rule Faces Bumpy Ride

The EPA is looking to establish more stringent heavy-duty diesel truck emission standards for oxides of nitrogen (NOx) and other pollutants. The exact rule may well hinge on public comments— and the agency may be deluged by them, both pro and con, given the early reaction.

Canadian Province Cracking Down on Truck Emissions

Ontario will increase its focus on truck emissions in 2020 as the Canadian province prepares to crack down on anyone that bypasses emissions controls – and that includes on-highway enforcement on trucks from other jurisdictions.

Tech Breakthroughs Big and Small

Chevron's new diesel engine oil is a disruptive technological breakthrough in its own right. Blog commentary from HDT Senior Editor Jack Roberts