> With solar and wind, fuel mining is zero, forever. well, you have to first build the solar panels/wind turbines. And then some fuel to power up the gas /oil

> With solar and wind, fuel mining is zero, forever. well, you have to first build the solar panels/wind turbines. And then some fuel to power up the gas /oil plants that'll pick up the slack when there's no wind and sun; or you build over the required needs and add batteries (or other power storage methods).