The Transport Minister also addressed the issue of a used Tesla Model S, which attracted a S$15,000 surcharge under the CEVS. He explained that fuel efficiency of secondhand cars depend on how well a car is maintained, but that the owner would have enjoyed the maximum rebate, had the car been new. "For all imported secondhand cars, whether electric or otherwise, I think we have a duty to require the secondhand car be retested to find out what exactly is its fuel consumption or its CO2 emission rate Said Mr Khaw: , so that we can apply the rebate or surcharge properly.(交通部長解釋第一輛私自進口的特斯拉被視為二手車,但新的特斯拉全部可享有最高級距的能源退稅優惠)