The U.S. House Subcommittee on Environment advanced legislation on July 14 that sponsors said will reduce engine shutdowns ...

There's something almost comedic about regulators amending a rule for engines that don't exist yet. The heavy-duty NOx standards finalized back in December 2022 don't even take effect until model year ...

EPA has proposed ending diesel exhaust fluid-related engine derates, replacing the gradual dialing back of truck performance ...

Ripping the emissions system out of a diesel truck used to be the kind of decision that ended with a federal indictment, not ...

Paccar will begin to update the software on trucks equipped with MX-11 and MX-13 engines following the Environmental ...

The Environmental Protection Agency is proposing changes to diesel engine rules it says could save the trucking industry $12 ...

No oil changes. No diesel exhaust fluid. No exhaust aftertreatment. But NACFE battery-electric trucks still require ...

The right to repair won’t fix everything, but it will ease those struggles and make our livelihoods as farmers just a little ...

Do diesel fuel additives really work, or are they just expensive snake oil? With diesel prices remaining painfully high, improving fuel economy, reducing regens and protecting expensive emissions ...

As the data table above shows, the Chevy Tahoe is the most fuel-efficient model out of the bunch, but only when equipped with the Duramax turbodiesel 3.0L I6 LZ0 engine, returning a single mile per ...

Mac Spurlock ran a diesel repair shop in Wasilla, Alaska. In 2022, about thirty armed federal agents raided it, and a jury ...

The U.S. Environmental Protection Agency has proposed major changes to heavy-duty engine emissions regulations, saying the ...