There are many differences between diesel and gas engines, including some less obvious aspects of engine construction, such ...

Westport HPDI system allows trucks to run primarily on natural gas while maintaining familiar diesel maintenance practices.

When it comes to diesel engines, there's one that reigns supreme for reliability in 2026.

COLUMBUS, Indiana—To comply with 2027 emissions regulations, new powertrains must make performance compromises. Despite the added weight and backpressure of a larger aftertreatment system, Cummins' ...

A breakthrough in diesel engineering changed how heavy trucks delivered power, ultimately reshaping torque, gearing, and real-world drivability forever.

The death knell has been ringing for diesel engines over the last decade, primarily because of their environmental impact. But some still swear by diesels for their abundant torque, efficiency, and ...

In any automotive braking system, the linchpin factor is pressure. When you press on the brake pedal in your car, for instance, pressurized brake fluid is distributed to the pistons in wheels, which ...

Diesel engines lack the spark of gas engines, both literally and figuratively. They don't need a spark plug since they ignite the fuel using only compression, but also lack the 'je ne sais quoi' that ...

COLUMBUS, Ind.--(BUSINESS WIRE)--Today, alongside their partners at Ram, Cummins Inc. (NYSE: CMI) unveiled the new 2025 6.7-liter Turbo Diesel Pickup engine system for Ram Heavy Duty, their most ...