Whatever happened to that Idea ? Isn't it time we investigate?
I like the idea of power generated via an exercise bicycle or tread mill or something that does 2 or 3 things at once, Grind wheat, create stored energy, get exercise etc ...
We would all be in great physical shape.
The Age of Off-grid Enlightenment .... Chop wood. carry water, generate and store electricity ... all at the same Time.