An oil analysis will tell you how long your car can really go between oil changes. They’re cheap, too—Blackstone’s standard analysis is just $30, and can tell you if you’re changing your oil too often ...

The process for producing these materials can vary greatly, and some unwanted things can end up in those biosolids.

Technology to treat produced water has advanced. But critics warn against relaxing protections for disposal “of what is very ...

Due to a lack of data, a model of sewage sludge incineration was not included in the assessment, although qualitative analysis was provided. The U.S. Environmental Protection Agency (EPA) released its ...

A gallbladder cleanse or flush is a diet or product touted as a natural way to get rid of gallbladder sludge or gallstones. These “gallstone flushes,” often advertised online, may include oil and ...

It has also been studied to treat skin and inflammatory conditions. Research, however, does not support taking evening primrose oil as a treatment for any medical condition. Evening primrose oil is ...

High-mileage oil contains a mixture of seal conditioners ... Finally, the detergents work to clear sludge and gunk out of all the engine's nooks and crannies (or, well, they claim to at any ...

These letters are based on a group of laboratory and engine tests that determine the oil’s ability to protect the engine from wear and high-temperature deposits and sludge. API has a full list ...

Extra-virgin olive oil has the most scientific evidence for its health benefits. But avocado and high-oleic vegetable oils are also good for your health. Social media is rife with conflicting ...

Over a decade on from the Deepwater Horizon oil spill, could we do a better job at cleaning it up today? (Credit: Getty Images) Major oil spills can be catastrophic for seabirds and marine life.

(AP Photo) DUBAI, United Arab Emirates (AP) — Flights to the small, oil-rich country of Kuwait were briefly disrupted Saturday under unclear circumstances. Local media in Kuwait reported the ...