solar, hydro(dams) and geothermal energy sources only.
sources offer all electric output some of which will make hydrogen via electrolysis of water.
solar farms in the deserts.
shut the saudis up.
solar farms on the moon.
satellite network for power transmission and distribution.
nasa can make a profit.
all the oil and coal would be carefully archived as the irreplaceable prehistoric artifacts they are.
factories would be able to order their power delivered directly from orbit.
everybody’s mileage would be exactly the same.