Built for real work, comfort, and toughness, these diesel engine-powered 2500 pickup trucks are the best this year.

The diesel big rig is starting to move into the carbon-free future: Electric semi trucks are already beginning to make deliveries around the country. But although they can work well for short ...

Ah, the old diesel vs. gas debate. Each type of engine has its fans and supporters, with arguments supporting both. And there are all kinds of things to consider when trying to choose between the two, ...