FEATURES Why exactly is stop-start traffic bad for your car? FEATURES Engine oil: Why does my car need it? FEATURES How often should I top up my engine oil? FEATURES A single engine oil for all cars is just a fairy tale FEATURES Can I extend my car’s oil change interval? ADVICE Can I use modern engine oil in my classic car? ADVICE Which engine oil is the best for my car? ADVICE Which oil additive is best for my car? NEWS Motul is the official lubricant partner to the 2018 Dakar Rally, which will be the 40th edition of the legendary motorsport event