Do cities have enough electric-car charging stations; are highways the ‘last hurdle’?

ChargePoint Express 100 DC fast-charging stationThe availability of charging stations for electric cars, or lack of it, is often cited as one of the primary reasons holding back widespread adoption. After all, if you're going to spend tens of thousands of dollars on a brand-new automobile, you want to be sure it'll get you where you want to go. Now, an influential figure in the electric-vehicle...