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 ...

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

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 ...

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 ...

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

The quest for more power has led to the development of many performance enhancers, such as high octane fuel and octane boosters There are many factors which affect the performance of an engine. High ...