A decade or so ago, garage mechanics could only choose between two oils. Today, however, that number has increased at least fivefold. ‘Car manufacturers have their own engine designs, and that means as many types of oil as there are designs,’ says Sebastiaan Nieland, a product application specialist at Eurol. In this article, he discusses a few more trends that determine the choice of the right engine oil – i.e. a brand-specific engine oil.