A new Trump administration rule will likely cost consumers more money while creating higher emissions of climate-warming superpollutants, industry and environmental groups warn.By Phil McKennaPresident Donald Trump said new regulatory rollbacks on chemical refrigerants will reduce the prices consumers pay for groceries and will not impact the environment. However, U.S. chemical, refrigeration and air-conditioning manufacturers said the changes will raise prices and his administration’s own projections show that greenhouse gas pollution will increase.