The new hydrogen engine, while still in development, has thermal efficiencies above 60 percent. In comparison, diesel engines ...

Detroit Diesel’s two-stroke engines earned their “Screaming Jimmy” nickname the hard way, with a piercing exhaust note and relentless mechanical clatter that turned work sites, logging roads, and ...

The Cummins 5.9-liter 6BT diesel became a legend in Ram pickups, work equipment, and marine use through durability and reliability.

There have been many reliable diesel engines over the years. Some are easy to work on, while others are a bit more challenging. The Ford 6.4-liter Power Stroke falls into the latter category, while ...