Winter is the time of year that really puts diesel trucks and tractors to the test. Sure, a boosted engine loves cold air, but you know what doesn’t? The fuel that makes these workhorses run. That’s ...

Diesel engines power more than you may realize. While diesel was once considered a useless byproduct of the crude oil refinery process, it's now responsible for powering everything from freight trains ...

You don't have to be Mr. Goodwrench to know that your car won't run without a steady supply of fuel, whether it runs on gasoline or diesel fuel. Less than three months ago, Honda recalled more than ...

Clean Diesel Technologies Inc. says results of initial engine testing at San Antonio-based Southwest Research Institute show the company's clean diesel formulation reduced particulate matter by 33% ...

Yes, diesel can go bad over time, just like gasoline when it sits for too long inside your car. Typically, its shelf life is anywhere between six and 12 months, which is twice the usual rate of ...