tl;dr – natural petroleum has an energy density (watt hours per kg) 30x greater than even the best batteries we have. Â Even accounting for waste energy in internal combustion engines, natural petroleum still wins by 6.67x.
Electric only is simply not ready for primetime.
A tech company called Envia Systems has announced that it is able to produce rechargeable lithium-ion batteries (Li-ion, i.e., the standard kind of rechargeable batteries that go in everything from ph…