This Iowa bioenergy startup is turning almond shells, old wood floors, and grass clippings into aviation fuel

# Rise Energy Is Making Jet Fuel From Your Trash An Iowa startup has figured out how to turn everyday waste—like old wood floors, grass clippings, and almond shells—into usable fuel for airplanes and diesel engines. The company uses a truck-sized machine called a bioreactor that breaks down this biological waste into fuel oil, charcoal-like material that improves soil, and other useful byproducts. If the technology scales up, it could help the aviation industry reduce its carbon footprint while solving the problem of what to do with tons of waste.