The new heavy-duty engine oil category, PC-12, is nearing the finish line. Here’s what fleet maintenance managers should know before it arrives in 2027.

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.

The best-selling author and mum of three takes us on a spin around her favourite IGA and shares her favourite everyday ingredients (and how to use them) along the way.

At least 111 substances of unknown safety have been added to foods, drinks and supplements sold in the United States without alerting the FDA.

Permian Basin operators eye bio, natural and nano surfactants; a Wolfcamp A trial saw +20% oil, +15% gas and 23% lower ...

Oklahoma took on an ambitious project to catalog all of the state’s injection wells, which shoot toxic waste generated by oil ...

The American Petroleum Institute (API) is finalizing PC-12 engine oil specs for 2027. Learn about CL-4 and FB-4 licensing ...

Coconut Oil Purity Test: Consumers can now easily check the purity of coconut oil at home. The Food Safety and Standards Authority of India (FSSAI) has shared a simple fridge test that helps identify ...

From budget to luxury, our writer puts nine offerings to the test With 25 years of experience as a Telegraph columnist, chef and food writer, Xanthe Clay provides guidance on everything from roasting ...

Jeff Reeves writes about investments, the stock market, exchange-traded funds and retirement topics. A veteran journalist with extensive capital markets experience, Jeff has covered Wall Street and ...

Earnings over $24,480 (2026) before full retirement age reduces Social Security benefits. Claimed Social Security early; half of earnings above the threshold are withheld. Benefits recalculated at ...