Diesel engines have the reputation for being high-torque workhorses, built for rough roads and heavy loads. These engines are ...

Wondering why modern heavy machinery no longer spews black smoke? Discover the massive technological shift that changed ...

The Environmental Protection Agency wants to change how diesel trucks respond when their emissions equipment runs out of ...

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

Last Thursday US EPA Admin Lee Zeldin published a proposal that would eliminate the need to reduce engine performance when ...

For family farmers battling razor-thin profit margins, rising input costs and stubbornly low commodity prices, even modest ...

The agency says the changes could save truckers $12 billion while still maintaining environmental protections.

The Environmental Protection Agency plans to stop requiring that diesel trucks automatically reduce power when their emissions exceed certain limits under a proposed rule that would also do away with ...

EPA's relaxed NOx rule, as many expected, removes the warranty extension—and proposes annihilating the troublesome DEF derate ...

The EPA's proposed updates to heavy-duty vehicle NOx rules would eliminate mandatory engine deratements by MY2029, drawing ...

India has initiated validating a 2 per cent isobutanol-diesel blend across commercial vehicles, laying the groundwork for what could become the country’s first diesel biofuel programme after previous ...

Russia weighs diesel exports ban, fuel imports, subsidies to cap prices Plans discussed at a meeting chaired by Deputy PM Novak Shortages drive sales limits, higher prices, long queues Sevastopol in ...