United States Building energy efficiency spending by government
Efficiency spending by federal and local governments increased over the last decade, with a spike due to the 2009 stimulus.
European Union EU policy towards referigerating appliances
The increasing strictness of labeling standards for refrigerators, introduced in 1995 and updated regularly, demonstrated how EU efficiency standards ratcheted up over the last several years. The efficiency of the worst permissible label now exceeds the top category from 1995.