The VW logo outside the Volkswagen headquarters in Wolfsburg, Germany on Sept. 23, 2015. The scandal over Volkswagen AG’s manipulated emission data may be spreading to its newest diesel engines.

Discover how the Duramax diesel V8 engine from General Motors has maintained its reliability and durability over 25 years in production.

Komatsu reports a proof-of-concept test of a hydrogen fuel cell medium-sized excavator delivered similar performance to a diesel-fueled model.

While Clessie Cummins and business partner William G. Irwin didn't invent the diesel engine, they saw its budding future and in 1919 started Cummins Engine Co. The diesel engine has undergone several ...

The new heavy-duty engine oil category, PC-12, is nearing the finish line. Here’s what fleet maintenance managers should know ...

We may receive a commission on purchases made from links. Regardless of whether you drive an old Camry or high-performance sports car, your vehicle will have a specific maintenance schedule. It will ...