## 4.4 : Legislation Affecting Energy Consumption of Federal Buildings and Facilities

 4.4.2 Executive Order 13423, Provisions Affecting Energy Consumption in Federal Buildings -- Requires Federal agencies to improve energy efficiency and reduce greenhouse gas emissions by either 3 percent annual reductions through FY 2015, or by 30 percent by 2015, as compared to FY 2003. -- Requires Federal agencies to obtain at least half of required renewable energy from new renewable sources.