You know that sinking feeling you get when the low fuel light comes on in your car and you are driving down a rural highway in the middle of nowhere? That is range stress – the fear that your car doesn’t have the remaining range to reach the nearest energy source.
Range stress is one of the primary bottlenecks in the spread of battery powered electric cars. Many current models can go almost as far as gasoline powered cars, but if there are no battery stations around, that still doesn’t help. If the range of the battery is 300 miles but there are only public battery stations every 1000 miles . . .