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 ...

Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil darkened to black but still translucent after a few thousand miles is normal.

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

As covered extensively in the past, General Motors is recalling nearly 600,000 vehicles in the U.S. in order to address a supplier-level defect affecting the naturally aspirated 6.2L V8 L87 gasoline ...

The fuel that runs through a 2026 Formula 1 power unit is one of the most tightly specified liquids in motorsport. Article 16 of the Technical Regulations sets out a comprehensive framework covering ...

Many car owners think oil only fails when the miles rack up. Wrong. Even when your ride sits for months, oil ages and degrade. Factors like exposure to condensation, temperature swings, and ...

PC-12 has been fully approved by API and will replace CK-4 and FA-4 engine oils starting in 2027. The new engine oil category includes FB-4 for lower-viscosity oils and CL-4 for higher-viscosity ...