That'll let Raytheon cut the cord and install an lightweight internal combustion engine of some sort, he hopes, while letting the exoskeleton keep on truckin' for over eight hours (a military requirement) before running out of fuel.
Airbus' A380 superjumbo and Boeing's upcoming 787 Dreamliner both use new engine designs, lightweight composite materials and advances in aerodynamics to improve performance, increase fuel efficiency and lower emissions.
