Estimates from the U.S. Department of Energy say they can improve fuel economy by about 7.5 percent. (Many manufacturers ...

Engines have had to change significantly over the years as a result of emissions laws, which has led to some incredible ...

A V6 engine is the perfect combination of power and fuel economy, but when it comes to reliability, some missed the mark.

The good news for Australian operators is that the latest Euro 6 trucks are not only cleaner than ever, but they’re more ...