Executive order 13514 ( signed October 2009 ) A. Revised the environmental and energy management requirements established by E.O. 13423 by providing small by providing small businesses with increased autonomy to meet sustainable requirements B. Changed the federal governments primary focus of sustainable procurement enforcement to align it with changes in the price of world wide energy sources C. Revoked the environmental and energy management requirements established in E.O. 13423 and created entirely new guidelines for both large and small businesses to follow regarding sustainable products. D. Strengthened the environmental and energy management requirements established in E.O. 13423 with added focus on climate change risks and clean a clean energy economy