Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.

Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

View post: Amazon Is Selling a ‘Fantastic’ DeWalt LED Flashlight for Just $40 Hyundai is developing a high-efficiency, high-performance mid-engine sports car engine. An engineer mentioned a new ...

A typical Class 8 idles 6–8 hours per day. At roughly 0.8 gallons of diesel per hour, NACFE said that can total 1,000 to ...

High-output engines live in a world of brutal cylinder pressures, extreme temperatures and razor-thin safety margins, and the humble piston sits at the center of that storm. When power levels climb, ...