Mass + New York + Canada + Seattle + Oregon + Cali will form the nation of America 2.0. Open borders to all US citizens.
The rest of the US can mine coal, frack, or whatever they want to do. They think that's where the jobs are.
Doesn't matter to us. We'll just speed up the electric, self-driving, car revolution with China and continue working on climate change rules and a global economy with Europe.