The real hurdles to overcome with energy in general...
Storage and Delivery
Reliable sources:
Hydro-Electric is stored in lakes and rivers and delivered via wire.
Fossil-Electric is stored (post refinery) in tanks for oil and underground and at mines for coal, and delivered via wire.
Nat. Gas is stored underground and in tanks and delivered via pipe.
Fossil Oil is stored (post refinery) in tanks and delivered via pipe and point of use tanks.
Nuclear-Electric is stored as fuel pellets and delivered via wire.
Unreliable sources:
Wind-Electric subject to calm weather outages and has no storage capability other than point-of-use batteries.
Solar-Electric has no 'buffer' storage capability for nite and weather outages, other than point-of-use batteries.
Grain-Oils are stored in tanks and delivered via pipe and point of use tanks, but is prone to crop failure outages and a shortage of fertile soil.
So, what do we do?
"I love the smell of sawdust in the morning".
Robert Duval in "Apileachips Now". - almost.
Laserpro Spirit 60W laser, Corel X3
Missionfurnishings, Mitchell Andrus Studios, NC