Stop doubting whether your car has issues or if the gas station is 'cheating' you; it’s likely that your maintenance methods ...

The Mazda CX-5, as the first compact SUV fully equipped with Skyactiv technology, achieves a perfect balance between fuel efficiency and driving pleasure through its high compression ratio engine, ...

W-20 engine oil is a lightweight oil that should not be used to replace 5W-30 if the engine does not support it.

I went to Sonoma for a NASCAR race and found out heat is the bad guy, fluids are the secret weapon, and Valvoline’s engineers ...

Think it might be time to give your vehicle an oil change, but aren't sure where to start? Learn all about changing engine ...

A 2024 Toyota RAV4 owner checked his oil after just 5,000 miles and found it "filthy." This raises a critical question for ...

There are a few different solutions you can use to remove sludge and other contaminants from your car's engine, but soapy water should not be one of them.

The best evidence to support the use of a vehicle is an accurate logbook of business travel maintained for the entire year, showing for each business trip, the destination, the reason for the trip and ...