From unexpected DEF derate proposals to the rocky Motus rollout, here are short-term predictions for the trucking industry's ...

The pardons ended nine ordeals. The mandate that created them is still on the books, still in the field, and still pointed at the trucks that move America's military freight. The post EPA’s war on ...

On July 9, the Environmental Protection Agency signed a proposed rule that would stop new diesel engines from cutting a truck’s speed when the emissions system throws a fault. Instead of a derate, the ...

For months, diesel truck owners have wondered whether the Trump administration would dramatically roll back EPA emissions regulations and finally open the door to legal emissions deletes. On Thursday, ...

Cummins is offering revised calibrations for more than 1.5 million engines in medium- and heavy-duty trucks. PACCAR is updating MX-11 and MX-13 engine software for eligible Peterbilt and Kenworth ...

Last year, the Environmental Protection Agency made moves to clean up problems with diesel exhaust fluid or DEF systems. Less than a year later, Daimler Truck North America is doing its part to ease ...

Daimler Truck North America is updating emissions software on about 330,000 Detroit-powered trucks, giving fleets more time to address diesel exhaust fluid system faults before severe derates take ...

When your Cummins goes into limp mode (aka low-power mode or safe mode), it's the truck's way of telling you something's wrong, while still letting you crawl to safety. It restricts speed and power to ...

If you've ever ridden a mountain bike, you'll know that the lower gears help you get up to speed more easily. Conversely, the higher gears help you go faster overall, maintaining that speed. It's the ...

Successive rounds of diesel emissions regulations from the Environmental Protection Agency over two decades and more have had numerous cost impacts for heavy-duty trucks, including both the upfront ...

Open systems aren’t inherently less secure than their proprietary counterparts, and open source code is not inherently less secure than proprietary code. Instead, Open Source Software (OSS) poses ...