The Biden administration announced new efficiency standards for residential freezers and refrigerators Friday, also setting new benchmarks for commercial fans and blowers. The Department of Energy said in a news release that these two “energy-efficiency actions … will save American households and businesses $5 billion per year on their utility bills, while significantly cutting energy waste and harmful carbon pollution.” “Together, these updated standards are also expected to reduce nearly 420 million metric tons of dangerous carbon dioxide emissions cumulatively over 30 years, which is equi…