Think the legendary 6.7 Cummins is the undisputed king of heavy-duty torque? Here are four massive diesel engines that ...

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, ...

How the 5.9L Cummins turbo diesel revolutionized pickup trucks in 1989, delivering 400 lb-ft of torque when Ford and GM ...

When Clessie Cummins founded the Columbus, Indiana-based Cummins Engine Company in 1919, it was built on a spirit of innovation that continues to thrive after more than 100 years. That innovative ...

Trying to mix gasoline and diesel in most engines will only lead to problems in the long run. But engineers have found a way ...

Diesel engines are famous for reliability, longevity, and torque — until winter shows up and reminds them that chemistry still applies. Diesel fuel, which is pricey nowadays, behaves differently in ...

It’s no surprise that ¾- and 1-ton diesel trucks have only grown in popularity since the turn of the century. Diesel pickups have long been celebrated for their power, towing capacity, and rugged ...

Many gas stations host diesel pumps that can be easily confused with gas pumps. Pumping diesel into your gas car can wreak havoc on its systems, forcing you to call a tow truck and mechanic.