Increasing concern on global warming, technological advancements, and the longevity of current energy sources have helped to push alternative energy into the spotlight. Significant investments have been and are being made in a variety of alternative and renewable energy sources as nations commit to cutting back carbon emissions and attempt to become more self-sufficient. Once considered “fringe technology,” they are now established and viable sources of energy that need to be understood in order to demystify them for financial investment and acceptance. In order to provide a value opinion on these types of technologies, you first need to understand them.