How much energy does an Energy Star dryer save?

Energy Star dryers can be used in regular or energy-saving mode. To earn the Energy Star a dryer must be at least 20% more efficient in energy-saving mode than dryers that meet the federal minimum efficiency standards for 2015.

http://www.consumerreports.org/cro/news/2015/02/how-much-energy-does-an-energy-star-dryer-save/index.htm