SAN RAMON, Calif. -- Chevron Products Co. is adding PurEscape Performance Optimizer and TECHRON Concentrate Plus Fuel System Cleaner, a reformulated version of Chevron’s TECHRON Concentrate, to its ...

Have pings got you down? Has driving your car become a pain in the gas? Are your exhaust valves being "lead" astray? Well, as promised in last month's "Living With Unleaded," article, have we got some ...

"Just pour this stuff in the fuel tank, and your car will run like it's (turbocharged, supercharged-fill in the blank)." We're all certainly familiar with the sometimes outlandish claims of incredible ...

Pickup truck owners can choose from a variety of fuels, each of which works differently in a pickup. Not sure which fuel is best for your truck? Read on for the answers to common questions about fuel.

Gasoline companies have been pushing engine-cleaning formulations lately. Setting aside the benefits for my car, are these additives good for the environment? Gasoline is a complex mixture of, well . ...

Let's face it, most engine additives don't really improve performances. If you want to try one that does, here's what you ...

We may receive a commission on purchases made from links. Regardless of whether you drive an old Camry or high-performance sports car, your vehicle will have a specific maintenance schedule. It will ...

Shale oil's prevalence in the American oil market may present a large obstacle for rising fuel economy standards. Shale oil creates gasoline with a lower octane rating than gasoline created by ...

Uncle Sam has decided to "get the lead out" of gas. Face it: The lead is coming out. For better or for worse, our EPA who art in Washington has already cut the allowable gasoline lead concentration ...

If you are noticing a decrease in your car’s performance, or you are experiencing knocks and pings, you may want to take it into the shop. However, before jumping to the worst-case scenario, adding a ...