Fracking, the process of breaking trapped resources like natural gas and oil from shale, has led to a revolution in energy production in the U.S. It’s also given rise to increasing worries that the process can have sweeping environmental impacts.
Oil shale is a term for oil trapped in rock, rather than existing in liquid form. Check out this HowStuffWorks podcast to learn more about the nature of oil shale.
Could switch grass become the car fuel of the future? Learn more about alternative fuel in this HowStuffWorks podcast.
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