Modern cruise ships can have anywhere from four to eight massive diesel engines, although some also run LNG-capable engines ...

Several of the world's largest truck makers are switching away from diesel. The replacement comes in two forms, and the race ...

Dreaming of a 7.2-liter Cummins in the next Ram HD? “It simply won’t fit unless we do, like, a Class 8 size front end.” ...

Ddiesel engines have their benefits, it's just that quick acceleration isn't one of them. They're limited in rpm compared to gas engines, due to factors like their higher compression ratios, and that ...

Purdue University’s Greg Shaver doesn’t believe there should be a trade-off between protecting the air we breathe and achieving better engine efficiency of large vehicles on the road. Shaver, a ...

40 years is a long time in the automotive world. While a few prized cars from the 1980s may be exploding in value, not many would consider their 40-year-old engine technology reliable. One diesel ...

Can stuck piston rings be restored without teardown? A 500,000-mile Valvoline engine test shows how deposit removal may ...