Oxidation, fuel dilution, copper, lead, potassium, aluminum, iron and so much more. Used engine oil analysis not only reveals elements and conditions that can help fleets maximize oil life, it also ...

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

Home mechanics have been pouring vegetable oil into engines for years, sometimes in the fuel tank, sometimes straight into ...

Experienced drivers know that high mileage cars demand special attention. Most oil manufacturers advertise specific lines of engine oil made for high mileage vehicles. These are cheaper than their ...

Checking your engine oil level is a quick, easy task that’s a crucial part of car maintenance. Keeping the right amount of oil in your engine will increase its longevity regardless of age, cylinder ...

To your engine, oil is what keeps all the various parts working together in harmony. Nothing is more important that feeding your engine with the right lubricants. Your Chevy doesn’t have to be a lost ...

The basics of an automobile engine require lubrication. This means the role of the oiling system is critical to performance and especially critical for high-performance applications. To help you keep ...

If you work on cars or have driven one for long enough, you're probably aware that our vehicles depend on a range of different automotive fluids to help them run, regardless of whether the vehicle is ...

No truer words have ever been said: oil is the lifeblood of your car’s engine. Its purpose is to lubricate the engine’s many crucial components to ensure a long, reliable life. It’s also a consumable ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

Despite the rise in popularity of electric vehicles (EVs) in recent years, for now, internal combustion engines still rule the roads. Humanity relies on these engines for everything from personal ...