Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with them. That’s the entire story. Under upcoming EPA regulations, heavy-duty ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

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.

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

Is there a way to have your engine oil tested to see how it is holding up or if it's right for your engine? I have the cheapest company stock put in, but sometimes I notice that certain oil is more ...

If you own a Cummins-powered vehicle, there's only one name you'll consistently hear when it comes to engine oil: Valvoline Premium Blue. The product is the only engine oil exclusively endorsed and co ...