There are a few different solutions you can use to remove sludge and other contaminants from your car's engine, but soapy ...

For most owners, General Motors' fix for a V8 that can chew through its own bearings came down to an oil change. It was a very particular oil change: 0W-40 instead of the factory 0W-20, a new oil fill ...

Nobody likes it when their truck's diesel particulate filter gets clogged, forcing a lengthy regen. The API's new PC-12 ...

If you're about to store your car for a lengthy period of time, you should look into fogging oil, as it could help protect your car's engine while it rests.

A common cause of raised eyebrows in our workshop is when a bike we regularly service comes in with an issue that "came out of nowhere". On inspection, the bike has clearly been worked on by a ...

Explore NASA's extensive cleanup efforts at the Santa Susana Field Laboratory, where over 75,000 tons of materials have been recycled, restoring 22 acres to natural habitat amidst one of America's ...

Something to look forward to: Extended-range EVs are headed to the US market as automakers look to address two persistent barriers to their adoption: charging concerns and reduced range while towing.

Global sales of zero-emission trucks and buses rose 86% in 2025 to more than 520,000 vehicles, with battery-electric models overwhelmingly dominating. Fuel-cell vehicles and renewable diesel will ...

Federal regulators just told the heavy-truck industry that a chunk of the rulebook they've been engineering against since 2014 was written without legal authority. Not "too strict." Not "outdated." ...

Brett T. Evans has more than a decade of experience driving, writing about, and evaluating automobiles. His early career comprised writing about pre- and post-war classic cars, as well as late-model ...

As GM Authority covered previously, the all-new 2027 Chevy Silverado expands availability of the Duramax diesel engine to the entry-level Work Truck, a first for the nameplate. That said, buyers ...

The National Highway Traffic Safety Administration (NHTSA) is scaling back its authority to regulate fuel economy standards for commercial truck engines, reversing its own Obama-era policy to ...