also -- room for improving solar energy generation - including proliferation of more electric appliances [electric central heat to replace gas/oil] Boats with

also -- room for improving solar energy generation - including proliferation of more electric appliances [electric central heat to replace gas/oil] Boats with solar panels running on wind+electric [this is a fantasy of mine that I have drawings with, alas it is unlikely I have 10 million to build my dream boat, but that does not mean I cannot make sketches :-) ]