The days of free public charging for electric vehicles may soon be coming to an end, despite there being a lot of it out there right now, whether solar powered or as an incentive deal when buying the EV. Plug In Car's European correspondent Laurent Masson, though, is looking ahead and is making the argument that free electricity will actually hinder growth of charging networks. Instead, he writes, utilities and charging station providers need to become more like *shudder* oil companies.
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