EPA said its new emission standards for oxides of nitrogen (NOX) from medium- and heavy-duty on-highway engines are more than 80% stronger than current standards.
An environmental group released a report saying that diesel truck “prebuys” ahead of new emissions mandates have never occurred. Find out why ACT Research’s Kenny Vieth says that's nonsense.
The U.S. Environmental Protection Agency is inviting small businesses to give it feedback on the agency's proposed Phase 3 greenhouse gas emissions rules.
A ruling limiting how the EPA regulates power plants could have far-reaching implications for other regulations, comments HDT's Editor in Chief Deborah Lockridge.
EPA's proposal would reduce heavy-duty engine emissions during a broader range of operating conditions that span nearly all in-use operations, such as low-load and idling.
An appeals court has ruled in favor of trailer makers, removing trailers from the 2016 greenhouse gas regulations published by the Environmental Protection Agency and the National Highway Traffic Safety Administration.
Nearly half the commercial trucks operating in EPA Regions 9 and 10 are now powered by the newest-generation of Near-Zero Emissions diesel engines, according to analysis by the Diesel Technology Forum.
The U.S. Environmental Protection Agency has fined Premier Performance of Rexburg, Idaho, one of the nation’s largest sellers of aftermarket automotive parts, $3 million for illegally selling emissions-control defeat devices.
Hino is halting truck production in both the U.S. and Canada until it can meet new U.S. engine certification test requirements.
Volvo Trucks North America will use $20 million in grants to deploy 70 VNR Electric trucks with fleets in southern California.
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