Experts have warned that radiator sludge - a mixture of rust, dirt and limescale - can lead to higher energy bills and ...

The oil inside your car's engine can sludge up with neglect and infrequent oil changes. Sludge is a nasty contaminant that can destroy an engine if not given attention, but timely oil changes are a ...

With winter on the way, it's important to ensure that your radiators are working to their full potential to avoid wasteful heating and expensive bills. It's important to check all the radiators in ...