Steam ruled the waves—until diesel showed up. In this powerful video, we break down how a once-overlooked engine design took over the oceans. From Titanic-era rivals to today’s mega-container ships, ...

The highest torque diesel engines ever made have turned up in everything from small commercial vehicles to powerful locomotives to mining equipment and more.

This winter, we blew our Diesel Power expense budget by chasing bikinis and checking out the latest diesel engines in sunny Miami. Going into the show, we knew very little about the engines that find ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...