Carbon fiber should be dirt cheap, then? https://phys.org/news/2016-03-ornl-low-cost-carbon-fiber.html https://phys.org/news/2016-03-ornl-low-cost-carbon-fiber

Carbon fiber should be dirt cheap, then? https://phys.org/news/2016-03-ornl-low-cost-carbon-fiber.html https://phys.org/news/2016-03-ornl-low-cost-carbon-fiber.htm... "Researchers at the Department of Energy's Oak Ridge National Laboratory have demonstrated a production method they estimate will reduce the cost of carbon fiber as much as 50 percent and the energy used in its production by more than 60 percent."