The other factor is that the price is necessarily much higher for exports than for domestic use, because converting NG to LNG and transporting it via ship is di

The other factor is that the price is necessarily much higher for exports than for domestic use, because converting NG to LNG and transporting it via ship is difficult and expensive. For domestic use, none of that is necessary. NG isn't like coal that you can just shovel onto a ship and haul across the ocean to burn somewhere else, it's a gas.