The United States is the world's top oil consumer and as a result, we have become the primary driver behind the development of new forms of dirty transportation fuels. These fuels are created from lower-grade, difficult-to-access raw materials, including tar sands, oil shale and coal. Moving down this road has enormous consequences for the air we breathe, the water we drink, and even our climate. the rest of world has also become more dependant on these "dirty" fuels. in an effort to combat the deteriorating  condition of our world, many companies have tried to find alternate sources of "clean energy"...