With Hydrogen on the agenda once more it would appear that the various technologies are going through a phase of leapfrogging each other. Remember the 70's/80's Solar Challenge between Darwin and Adelaide. Finally after 40+years a viable solar powered car is being manufactured in the Netherlands called Lightyear One. The following article reveals the car will be available by the end of 2021 but at a price which should see-off your life savings. Read on: https://www.uk.yahoo.com/news/5-things-know-lightyear-one-080033356.html