Self-driving cars might make using taxis cheaper than owning a car, which will mean car users don't have to worry about how long it takes to recharge an electri

Self-driving cars might make using taxis cheaper than owning a car, which will mean car users don't have to worry about how long it takes to recharge an electric car's batteries any more, or what their range is. Electric cars (when their batteries are plugged into the grid) could also potentially make a good distributed battery, making renewable energy sources seem more reliable. There is a good recent article about the battery system Tesla set up in Australia: https://www.washingtonpost.com/news/the-switch/wp/2017/12/26/teslas-enormous-battery-in-australia-just-weeks-old-is-already-responding-to-outages-in-record-time/ https://www.washingtonpost.com/news/the-switch/wp/2017/12/26...