Top Biofuel #1: Wait For It... Switchgrass!
Let's put this puppy to bed, shall we? Coming in at the number one spot, eclipsing all others, ladies and gentlemen -- I give you switchgrass.
Switchgrass is a warm season grass, nothing more than a prairie weed. But just because it has the word grass in it, don't think it's anything like the fescue growing in your back yard. A full season of growth for switchgrass can top out at ten feet high with tough, thick stems.
Turns out, this stuff is a miracle worker when it comes to producing biofuel. A recent study published in the Proceedings of the National Academy of Sciences states that switchgrass can produce 500 percent more renewable energy than the energy required to be grown and processed. See more »