Yli 40 km / h tai 50 km / h ajavien autojen melu ei aiheudu niinkään moottorista kuin renkaista ja erityisesti renkaiden ja tienpinnan kosketuksesta. ###>The noise of cars which exceed 40 to 50 km/ hour does not so much originate in the engine as it does from the tyres, and particularly from the contact between the tyres and the road surface.