A Senate Republican on Monday filed a bill that could snuff out the possibility that Florida would create a “cap-and-trade” system to reduce greenhouse gas emissions from power plants, reports the News Service of Florida. Sen. Alan Hays, R-Umatilla, filed SB 648, which mirrors a bill (HB 4001) filed earlier by House Energy & Utilities Chairman Scott Plakon, R-Longwood. Cap and trade has been a long-debated idea to combat climate change. It involves placing emission limits on power plants and giving credits to utilities that comply. Those credits then could be sold to other utilities. The Legislature approved a law in 2008 that took steps toward creating a cap-and-trade system, though such a system has never been adopted. The Hays and Plakon bills would repeal that law, which was dubbed the Florida Climate Protection Act.