Of notable mention on the electric end... there is some disagreement on the the inventor of lithium batteries but, there is a groundbreaking development coming now which will make the electric cell cheap and environmentally friendly to produce and recycle. I believe this development comes in the form of a silica based storage system which is completely safe and easily replenished.
Read for yourself if interested here > https://news.utexas.edu/2017/02/28/goodenough-introduces-new-battery-technology/
Read for yourself if interested here > https://news.utexas.edu/2017/02/28/goodenough-introduces-new-battery-technology/
