Can stuck piston rings be restored without teardown? A 500,000-mile Valvoline engine test shows how deposit removal may ...

GM says some oil use is normal. Here are its official limits for cars and trucks, plus the key checks dealers use to confirm ...

The next-gen heavy-duty engine oil standard (PC-12) has been formally approved, announced the American Petroleum Institute, which also introduced the new CL-4 and FB-4 “donut” certification marks ...

An exclusive program allows customers to help build their own engines with the pros’ help. True petrol heads value hands-on involvement and understanding their cars’ quirks. Mercedes-AMG lets select ...

Any true Petrol Head will claim that any involvement with the car is part of the lifestyle. Car guys like to fettle and tinker with their vehicles, getting to know them in depth, including their ...

Oil prices rose Tuesday after the latest U.S. attacks on Iran and amid President Trump’s threats of escalation. Prices for U.S. benchmark West Texas Intermediate were up more than 3 percent at $116 ...

President Donald Trump called on the world's countries to "build up some delayed courage" and "just take" the Strait of Hormuz while addressing the nation in a primetime speech about Iran Wednesday ...

WASHINGTON — President Trump demanded “delayed courage” from the United Kingdom and other nations to help the US reopen the Strait of Hormuz, a critical oil chokepoint where over a fifth of the ...

This video about car engine oil will be focusing on three questions: 1. Why do modern engines have carbon build up? 2. How can engine oil help prevent carbon deposits? 3. How do you know if the oil ...

Brent crude jumped to over $115 a barrel early on Monday before paring some of its gains. Weekend military strikes had rattled markets, but suggestions of peace talks by Trump calmed fears. Gas prices ...

Gina Martin Adams, Chief Market Strategist at HB Wealth, and Chris Hodge, Chief U.S. Economist at Natixis CIB Americas, say rising oil and yields lift inflation but weaken growth, with the Fed still ...

Mark Malik, CIO at Siebert Financial, and Stephanie Roth, Chief Economist at Wolfe Research, warn oil risks are underpriced, growth is slowing, and the Fed may still cut as recession odds climb. Got a ...