Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments ...

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

Diesel engines are renowned for their ruggedness, torque-heavy power, and workhorse dependability — not exactly the characteristics linked to high-revving, supercharged excitement. But in a world ...