Oil changes used to be a monthly ritual. Not long ago, 10,000 miles was about all you could expect from engine oil. We’re up to 50,000 miles today in many instances, and annual oil changes may be on ...

CCJ's 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo. An oil sample is only as good as the method used to pull it. You're watching ...

An engine oil sample is a lot like a blood sample in that it can show details and warning signs of maintenance problems long before they become catastrophic, but many fleets don’t go through the ...

Oil and fluid testing answers both short- and long-term questions about the internal condition of engines, transmissions and hydraulic systems. A one-time sample of engine or transmission oil gives a ...

The global oil trade is a complex and highly lucrative industry that relies on accurate analysis of crude oil samples. Ensuring the quality, origin, and authenticity of oil samples is crucial for ...

Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil ...

Engine oil degrades over time when exposed to heat, oxygen, friction, and pollutants. This degradation diminishes the oil's ability to protect the engine and, if not corrected, can cause engine damage ...