Itself now part of a holding company called Royal Dutch Shell plc, Shell Oil is the fifth largest oil company in the world by market capitalization, according to Investopedia. But it came from far ...

Competition in the world of business is a good thing for the consumer, right? It keeps prices down and forces innovation. Well, the motor oil space isn't as competitive as you might have thought. For ...

Engine oil is vital for protecting a car's engine. If your car requires 5W-20, can you use 5W-30 instead? Here's why those numbers are so important.

Companies like Nissan and Toyota are preparing dealer service centers for a motor oil shortage. Here's how it could impact drivers beyond Memorial Day.

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 ...