Recently, Nissan unveiled its "Approaching Vehicle Sound for Pedestrians" (VSP), a technical name for the noise-adding system found on the automaker's Leaf electric vehicle. Introduction of the VSP system on the Leaf and similar setups found on vehicles like the Chevrolet Volt have been the subject of much debate. Automakers continue the quest, though, in part to satisfy the demands of the National Federation of the Blind and develop an aurally pleasing system that warns all pedestrians of appro
It's been a little while since we've heard about the supposed dangers of electric and hybrid vehicles that shut down their engines and therefore stop producing the sound of fuel being ignited and exhaled, but the issue is apparently alive and well. Lotus Engineering and Harmon International, two heavyweights in their respective industries, have teamed up to create a new technology known as Electronic Sound Synthesis (ESS).