Think this would be a good thread for us to share ideas on Alt energy and fuels , What you use or plan to use or any Ideas you may have . I have always pondered a Stored energy flywheel type system that would turn a generator . If you have a 12v dc to 120v ac inverter , it would run off a common 12v car/marine battery . Fine and dandy till the battery runs out , right ? What would keep you from plugging a battery charger into the inverter to keep the battery charged , therefore having a small but nearly constant power source. If I were closer to a stream I would run a paddle wheel but Im not What are your ideas ?