Generally, there's no reason to switch engine oil during the winter. However, that's not always the case. Here's what to know ...

The thinner in oil is the easier it pumps through the engine, which leads to a fuel economy improvement. We can all understand that, but there's a lot more to oil viscosity than how thick it is. I ...

In April 2024, the U.S. Environmental Protection Agency announced its proposed “Phase 3 Greenhouse Gas” program, enforcing stricter regulations for heavy-duty vehicles including buses, delivery vans, ...

It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...

Engine oils are the lifeblood of a vehicle's engine, ensuring its smooth operation, longevity and protection against wear and tear. When extreme cold temperatures arrive, the choice of engine oil ...

The second car that I ever owned was a 2002 Chevy Silverado 2500 with a 6.6L Duramax diesel engine under the hood. It wasn't my first choice, but it was a hand-me-down from my father after my 1993 ...

GM Authority has been busy serving up several exclusive details on the next-gen GM Small Block V8, but now, we're wondering - ...

General Motors is facing growing pressure from enthusiasts and engineers to move away from ultra-thin engine oils in future ...

Car engines have used motor oil for the whole of automotive history, and during that time a lot of myths have cropped up ...

Car ownership is a myth-filled world, where some myths transcend from one generation of car owners to the next. We can't exactly figure out when rumors about GMC trucks having thicker steel than ...

The oil you put in your engine matters. After all, your engine contains many moving parts that must remain lubricated to work properly. Otherwise, your engine could develop some serious wear and tear.

Stricter federal regulations are reshaping the engine oil industry. PC-12 and low-viscosity HDEOs can help with compliance and performance. As the temperatures rise and the days become longer, your ...