Everyone knows that regular oil changes are important for an engine's longevity. But what does motor oil do, and does getting ...

You can find 0W-8 engine oil used in a handful of Toyota and Mazda vehicles. It's frequently used in hybrids, like the Mazda 2 Hybrid 1.5L sold in overseas markets and the Toyota Corolla Hybrid. Other ...

JAMA experts said that “thinner” engine oils such as 0W-8, 0W-16, and 0W-20 can improve fuel economy by up to three percent.

One Tacoma owner ditched Toyota’s recommended oil for something thicker, and the results have sparked a heated debate. Is ...

Ultra-low viscosity oils are becoming the norm for modern engines, especially smaller units prioritizing efficiency. Unfortunately, the trend has resulted in conflicting opinions about the actual ...

Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.