Faced with mounting operational costs and increasing public pressure to address environmental problems, states are finding that they must take the on environmental sustainability efforts and set an for local governments. In ad dition to addressing their constituents' con cerns about global climate change, air and water quality degradation, land-use changes, and other environmental matters, states must compete for interest group rankings in policy areas such as energy efficiency and renewable energy (Eldridge et al. 2008). As policy in novators for the federal government, states are expected frequently to produce bold new sustainability policies that yield short-term successes. In response to such expectations, governors in several states have implemented lead by example clean energy initiatives as a way to not only reduce operational costs but also demonstrate their commitment to energy efficiency and savings. Before launching new statewide policies through legislative or administrative actions, states sometimes run pilot projects to work out glitches and build support for key concepts. For example, in 2008, Hawaii announced a four-day workweek pilot project (State of Hawaii 2008), and Utah instituted a manda tory four-day workweek for 80 percent of its employees (Copeland 2008). Both projects were aimed at reducing electricity costs and making state government more efficient. Pennsylvania sought to promote greater pri vate-sector investments in clean technologies by committing public funds to a Keystone Green Investment Strategy (Pennsylvania Department of Environmental Protection 2006). As of 2008, 36 states had some form of energy efficiency requirement for state build ings that set the stage for tougher statewide building codes (Partin 2008). Other programs focus on using states' pur chasing power in order to set an with regard to sustainability. For instance, Virginia, California, and Hawaii require procurement of efficient Energy Star appliances for use in government facilities (Partin 2008). A number of states, including New York and Arizona, have green building requirements for certain state facilities. State transportation initiatives include vehicle procurement stipulations, such as Arizona's requirement that 75 percent of state light-duty vehicles be capable of oper ating on clean-burning fuel, and alternative fuel consumption requirements, such as Iowa's requirement that 60 percent of fuel purchased for all state agency non-law enforcement, light-duty vehicles consist of 85 percent etha nol by June 30, 2009 (Partin 2008).