Within the last few decades a new awareness has developed in regards to the impact human beings have on the environment.  Countries and industries around the world have made it a priority to develop new ways to maintain their energy needs at a reduced cost to the environment to ensure stable future growth.  Many have turned to new technology that increases efficiency, and implementing environmentally friendly energy management policies to reduce waste.  These changes have not only helped preserve resources for future generations, but also led to significant savings and overhead cost reductions.