Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

Engine additives are to cars what protein powders are to gym-goers: passionately praised by some as essential for performance, dismissed by others as mere hype or snake oil. Although modern synthetic ...

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 ...