it might be an option for those off-grid... like rural rice farmers
If you have enough sunshine to grow rice, you have enough to generate your 250Wh per day with Solar PV for well under the $100 target price of his bicycle, and you don't have to waste a couple of hours when you could otherwise be working to get it.
If you have enough sunshine to grow rice, you have enough to generate your 250Wh per day with Solar PV for well under the $100 target price of his bicycle, and you don't have to waste a couple of hours when you could otherwise be working to get it.