your ceiling fans. department of energy has a rule to make ceiling fans more energy efficient. department of energy says proposed standards yield benefit maintaining environmental and public health benefit associated with efficient use of energy when considering need for national energy conservation. you can t blow past the ceiling fan industry. the new rules save householding $39 over life span of the new energy efficient fan, but cost to manufacturers will cost 86 million. energy secretary, this would require manufacturers to redesign products and may put