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

Pumping gas into his car at a downtown filling station, Matt Miller ponders the latest flap over gasoline. And it isn’t the pump price. U.S. automakers say a manganese-based fuel additive used as an ...

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 ...

They're everywhere. On the shelves of consumer auto parts stores, on the e-pages of online performance catalogs and occasionally plastered across the flanks of winning competition cars. On their ...

Let’s talk about fuel additives. You’ve probably seen them lined up on store shelves, promising […] ...

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 ...