If you make a lot of short runs or drive in stop-and-go traffic, you may get better gas mileage and improve engine performance by adding a bottle of fuel ... additive on Amazon. If you’re ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Fuel injector cleaner serves an important function in ...

There's a debate over the use of fuel additives, just as there is with everything else related to cars. According to Geico, some fuel additives can help improve overall vehicle performance.

I am fortunate to have and look after a 1969 Daimler Sovereign (420). I am having to use E5 fuel and would appreciate your guidance on which additive(s) would help protect the Jaguar XK engine? I ...