The Division of Oil and Public Safety started receiving complaints Thursday after diesel was loaded from a Sinclair terminal ...

Preparing for EPA 2027? API’s new PC-12 spec (CL-4 and FB-4) introduces ultra-low viscosity 0W-20 oils and stricter emissions ...

Home mechanics have been pouring vegetable oil into engines for years, sometimes in the fuel tank, sometimes straight into ...

How can you get better fuel economy from your diesel? Watch how you drive, keep up with maintenance, and don't skimp on the ...

In the U.S., Diesel has mostly been more expensive than gasoline for nearly twenty years. The price gap came about as new rules for cleaner diesel took effect in 2006, as refineries had to run extra ...

The U.S. Energy Information Administration (EIA) projected that the U.S. regular gasoline and U.S. on-highway diesel fuel retail price will drop both in 2025 and 2026 in its latest short term energy ...

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 ...

This story is part of CT Mirror Explains, an ongoing effort to distill our wide-ranging reporting into a "what you need to know" format and provide practical information to our readers. Editor’s Note: ...

High-mileage vehicles require extra care to maintain optimal performance, fuel efficiency, and engine health. As engines age, they accumulate deposits, experience wear, and may struggle with emissions ...