Diesel engines are different from gas engines in numerous ways, including their use of high compression ratios. Here's why that is and what it means.

Gasoline fuels most light-duty vehicles, such as passenger cars and pickup trucks. Heavy-duty vehicles, like buses, delivery trucks and long-haul tractor-trailers, typically run on diesel. Both fuel ...

It's no secret that AWD and 4WD vehicles are best for the winter, but when it comes to diesel or gas engines, which is better? Here's what you need to know.

Diesel doesn't magically come out from underground — it's engineered through a complex refining process that involves many steps and lots of heat.

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, ...

It’s cheaper to drive a diesel-powered vehicle than a gas-powered vehicle over the course of three to five years, according to a new study commissioned by Robert Bosch LLC – a company that makes ...