coloritmail/shutterstock The fuel powering your engine needs air and heat to combust, which releases mechanical energy that spins the wheels forward. But where does the heat come from? In diesel engines, glow plugs heat the incoming air and fuel until it’s hot enough to burn, while g …

Brandon Woyshnis/shutterstock The Detroit automaker has become one of the leading manufacturers of high-powered diesel engines in the U.S. The company’s Powerstroke engines currently dominate the market, creating the number-one selling line of pick-up trucks in the country. So, what …

r.classen / Shutterstock.com Today’s diesel fuel contains far less sulfur than it used to. Why? Modern heavy-duty engines have emissions-reduction technology that’s vulnerable to sulfur. They use complex systems to limit their environmental impact, and using sulfur on a new diesel is …

VFXartist / Shutterstock.com The term “torque” is ubiquitous in the auto industry. You can’t buy a car or truck without brushing up against this all-too-important consideration. It’s one of the few specs that will dramatically shape your experience behind the wheel, but many drivers …

Ruslan Lytvyn / Shutterstock.com Every modern diesel needs a dash of diesel exhaust fluid. It’s one of the many products that help your engine run. But what is it, and what does it do? Diesel trucks have gone through many iterations over the last century, propelled in part by the nee …

Shane Lee Photography / shutterstock The Ford Motor Company represents the crème de la crème of the American auto industry, offering some of the most trusted vehicles on the market today. The Ford F-Series remains the best-selling pickup truck in the country for the 46th consecuti …