Car makers are readying themselves for an electric future and composing sounds which battery-powered vehicles will use to not only alert pedestrians of their presence but to also distinguish between brands.

Niche sports car brand Lotus says it has found the perfect warble for its Evija hyper electric vehicle (EV) through digitally manipulating the unforgettable Cosworth-Ford V8 engine sound made by the  Lotus Type 49 Formula One cars introduced in 1967. Graham Hill won the 1968 F1 Drivers’ Championship in a Type 49...