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 ...

These cleaners, boosters and treatments are often sold alongside NGEN oils, especially in “pre-MOT” bundles and service packages for UK garages. The big question is whether they genuinely save money – ...

Crude oil, the kind you might see bubbling up from the ground Jed Clampett-style, has been used for thousands of years. It's found employment doing everything from waterproofing for boats to burning ...