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.

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 ...

As junk food and sugary diets take a toll on dental health, interest in preventive Ayurvedic practices is rising again. The company claims its herbal oil blend targets bacteria, biofilm, and bad ...

Charles R. Goulding and Leah Nabangi reveal how 3D printing is helping Nigeria’s oil and gas sector cut downtime, localize spare parts, and unlock the full value of historic investments in production ...

Ovintiv Inc. OVV is a North American energy producer focused on the exploration, development and production of oil, natural ...

Understanding the aniline point of base oils is key for lubricant formulation, affecting solvency and the effectiveness of additives in various applications.

If any investor has stood the test of time, it’s Warren Buffett, and with good reason. For 60 years, the “Oracle of Omaha” had a rock-star-like presence in the investing world, and his annual ...

Royce Small-Cap Fund reports 2025 performance, noting gains from Industrials and losses in Real Estate. Read the full ...

U.S.-Israeli strikes on Iran and a Strait closure lifted oil and gas prices, but analysts keep a $65 Brent outlook and expect ...

Royce Small-Cap Fund advanced 9.0% in 2025, trailing its benchmark but showing strong long-term relative results. Read the ...

The global chemical industry is witnessing a significant transition toward high-performance, sustainable additives, as ...

Fast-food chain quietly reverses controversial ingredient change after widespread customer complaints.