Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

Additives are like energy drinks for your engine or at least that is how they are marketed. The additives supposedly help your engine to run smooth, become more powerful and fuel efficient, protect ...

As someone who's driven classic cars daily for around 15 years, as well as working on and restoring such cars throughout my education, I take vintage automotive maintenance very seriously. Many of ...

Q: The other day I stopped at a Shell station and found their higher-octane gas contained nitrogen. I believe that information posted about the gas said nitrogen was an additive. All of the concerns ...

Buying high end oil for your vehicle might cost more in the short term, but it will significantly extend the life of your engine. That's the finding University of Texas engineer Pranesh Aswath and his ...

We earn commissions from purchases you make using links in our articles. Learn more. Most drivers know that regular oil changes are necessary to maintain the life and performance of their vehicle. For ...

We have all heard and probably used fuel additives. These are compounds that improve the performance of your engine by enhancing the quality and efficiency of fuel used. Different additives are ...