Energy recommendations from a government-backed program have gone viral after suggesting that people should keep their home thermostats at least at 78 degrees for cooling. Energy Star, which works with the Environmental Protection Agency and the Energy Department to set efficiency benchmarks for appliances, electronics, building materials, lighting and other products, recommends that Americans program their thermostats to at least 78 degrees from 6 a.m. The program then recommends temperatures be raised to at least 85 degrees from 8 a.m. to 6 p.m., at which point it recommends again setting temperatures to at least 78 degrees. Thermostats should be then...