"Proposed new national energy efficiency standards for beverage vending machines (a.k.a., soda or pop machines) will help make America more energy efficient, according to a coalition of energy efficiency, environmental, and consumer groups. The proposed new standards, released today by the U.S. Department of Energy (DOE), would cut the average energy use of the most common new cold beverage vending machines by about 42%."

They estimate using smart controls could save 10 billion killowatt-hours over 30 years, saving the property owners $250 million."

It also suggests that continued incremental improvement in building product energy conservation can add up to huge energy savings.