That’s why Mack designed its new Pioneer semi to be as slippery as possible ... that the bulldog is “an integral part of the truck’s performance rather than just an emblem.

Self-driving trucks using military technology will test in Indiana and Ohio to showcase the potential to test the adoption of ...

Based on a Peterbilt 579 commercial semi truck, the ReVolt EREV hybrid electric semi truck promises 40% better fuel economy and more than twice the torque of a conventional, diesel-powered semi.