An analysis by the NHTSA appears to challenge claims made by the Trump administration that rolling back fuel economy ...

Premium gas sounds like it’s something special. But it translates into paying extra for a higher octane without any performance or fuel-economy benefits for many cars. That’s what we found after ...

The national average remains under $3 for the second week in a row. Washington's fuel average is almost an even $4. Grant County dropped below the $4 mark this week, for the first time this year, and ...

Having fuel injectors on all mass-produced vehicles is one of the biggest automotive breakthroughs of the past few decades. If you've ever gone through having to start an engine with a poorly tuned ...

While fuel-injector cleaning is often recommended by shops and dealer service centers, it probably isn’t necessary unless it’s correcting a running problem. In many cases, just using a quality ...

Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Suzanne is a content marketer, writer, and ...

How you drive can significantly affect your fuel economy. That’s the key finding of CR’s fuel-economy tests. Even when fuel prices are very low, you can still save serious money by making small ...

Fuel dilution of the engine oil is a problem that faces many modern combustion engines. Also known as “crankcase dilution” it is a process where fuel is leaked into engine oil when it travels towards ...

The Trump administration's proposal to roll back Biden-era vehicle fuel-efficiency standards may save automakers in the U.S.

Alvin Byers is a consultant by day and "travel hacker" by night. After conquering a fear of flying, Alvin seeks any opportunity to get into the air to explore the world. As a married man and father to ...

The Airbus A350-1000 cuts fuel burn by 25% thanks to ultralight design, Trent XWB engines and smooth aerodynamics — a real game-changer for long-haul ...