Electric cars must now emit engine-tones at low speeds

My friend Gilbert was the first Prius owner I knew; a hacker, Gilbert was accustomed to eating at a drive-through at 3AM, but the first time he took his silent car through the lane, the order-taker curtly said that they didn't serve people on foot; when he insisted that he was in a car, she demanded to know why she couldn't hear the engine idling? (more")