The debate was over when he decided to take left wing $$ for his Reform Institute and start this crusade.
Do a search on McCain and “CAFE standards” and you’ll find him wanting to impose all sorts of requirements on auto manufacturers. And then he stands innocently in Michigan saying “those jobs won’t be coming back.” Scumbag. His partner-in-crime at the time was John Kerry, but now he has old Joe to offer up his “bipartisan” stewardship of the earth scam.