While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...

It might seem like a small detail, but the color of your engine oil can speak volumes about what’s going on inside your car.

Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with ...

Quick-lube oil changes use $3 filters without anti-drainback valves, causing dry starts that grind metal and destroy engines ...

GM Authority poll shows owners overwhelmingly want thicker 5W-30 or 0W-40 oil for next-gen V8s, citing durability over thin ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...