Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.

Motor oil has quietly become one of the most important choices car owners make, especially as vehicles routinely cross ...

Regardless of whether it burns gasoline or diesel, your internal combustion engine works by igniting a mixture of fuel and air to create power. To do so effectively, it must reduce the detrimental ...

In the world of automotive engine oils, 0W-20 is one of the thinnest, though oils as thin as 0W-8 are now used. The 0W stands for 0-weight in winter, and the 20 stands for 20-weight when the oil is ...

The oil in your vehicle’s engine is pretty incredible. Its job is to protect every square inch inside your engine where there is metal-to-metal contact – your piston rings, cylinder walls, valves, ...

You should switch to synthetic engine oil because it's able to offer better protection and better cold-weather performance, easily outclassing regular oil.

Diesel engines have been around for more than half a century. Chances are that if you are around fleets or equipment, you have encountered a diesel engine. They have been described as the workhorses ...

High-mileage oil isn't some secret elixir reserved for 20-year-old Honda Civics with a mystery stain on the headliner and 3.5 working speakers. It's real. And it serves a purpose — mainly for engines ...