On the off-chance that's a serious question (one which I haven't seen anyone "evading," incidentally), we obviously can't go from current coal usage to zero in a couple of years. We'll have to phase it out very gradually, in fact, given the amount we use for generating electricity. In fact as we phase out its use, we'll probably continue exporting it for some time afterward.All of you are still evading the question: What will happen to our economy if we deny ourselves coal, a proven energy source that we have plenty of, and rival countries go on using it to full capacity?
Are you claiming that what the geology textbook, A Student Guide to Energy, and the Encyclopedia of Energy, Natural Resources, and Environmental Economics say about the depletion of natural gas is false?
Natural gas will fill in a lot of the void over the next few decades, but we desperately need renewable resources if we're going to continue. They're going to continue to work on hydrogen fuel cells, for example, which offer a lot of hope for the future.