In the 1950s, motor oil started to come in grades. Some grades were formulated to work better in cold weather, while others helped keep hot engines lubricated more effectively. Today, with our ...

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 ...

Some myths surrounding motor oil just won't go away, but there is truth to the notion that oils with higher viscosity ratings are better suited for warmer climates than lower viscosity oils. Since ...