Energy Secretary Steven Chu announced the 29 winners of the 30th annual Federal Energy and Water Management Awards October 13. The awards recognize the commitment by federal agencies to invest in efficiency measures that save money for taxpayers, reduce greenhouse gas emissions, and create a stronger economy. For the past 30 years, winners have saved roughly $16 billion and 770 trillion Btu of energy; the 2011 winners contributed to 7.9 trillion Btu of energy savings and facilitated savings of more than $162 million.