A new fuel additive from Advanced Fuel Solutions (AFS) is said to eliminate deposits in the injector, optimize injector performance, extend filter life and maintain fuel economy. The Optimum ...

In today’s cost-conscious times, supplementary engine and fuel additives promise means of cutting motoring costs. We study whether or not they really deliver Words: Rob Marshall Ever since the ...

The central truism regarding any fuel additive is that sometimes you need it—and sometimes you don’t. Aside from the untold legions of snake oil substances touted to improve fuel economy, there are ...

The presence of water or other fluid mixed with diesel fuel is clearly apparent from the stratification shown here. Diesel fuel is generally very clean when it leaves the refinery. But it can pick up ...