Living in a dense neighbourhood where you don't need to commute by car is more efficient still. But yes, if that isn't an option, an electric car, preferrably a

Living in a dense neighbourhood where you don't need to commute by car is more efficient still. But yes, if that isn't an option, an electric car, preferrably a Tesla so you can indirectly support Musk's space exploration goals, seems like the next best option.