Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...

The candle that burns twice as bright burns half as long; we all know that. However, some of the newest engine designs are proving to be more like firecrackers than candles, judging from the number of ...

A fast-rising name in the hybrid vehicle market, Horse Powertrain has spent the past three years transitioning into one of ...

Explore the technical specs of Detroit's Gen 6 engine platform. From asymmetric intake ports to pre-SCR systems, see how Detroit Diesel is re-engineering heavy-duty power.

The H12 is supposedly a variant of the HR12, a 1.2-liter, three-cylinder turbocharged engine, which was fitted with a new combustion system with a 17:1 compression ratio, a new exhaust gas ...

This low-mileage GM engine was already sold as a core, and a closer look suggests the failure may have been avoidable.

Top 10: The aircraft made great by a new engine ...