I replied the way I did because you wrote "my guess is that natural gas is being switched out for coal for many reasons". That is not true. That is why I said i

I replied the way I did because you wrote "my guess is that natural gas is being switched out for coal for many reasons". That is not true. That is why I said it might have been a typo. This is clear because in your reply above your write the opposite, that coal is being replaced by natural gas. I agree with this, and as you wrote above, 100%.