TXCN: If Texas were a country, the refineries lining the Gulf would make it the eighth-largest producer of greenhouse gases in the world. ‘Texas is a major emitter of carbon, in part because we fuel the rest of the country,’ State Sen. Rodney Ellis said. Ellis wants the state to lead the way in cutting back. He`s filed a bill to give state regulators the authority to force energy companies to slash their greenhouse gas production. ‘In Texas, we have pretty much put our head in …