The Electric Vehicle is not a new idea. Periodically, there has been high interest in EV's - usually when there is a perceived risk around oil. The poor air quality in many cities is also a driver for policies that provide incentives for consumers who decide to purchase EV's. But in the context of energy transition, the analysis to develop policy needs to focus on the cost of the policy, the economic and social returns, the energy supply effects and the reduction in emissions.