Airport sustainability initiatives are an important part of the industry’s effort to achieve net-zero targets, and government funding is a vital part of the equation.
Editors discuss NASA’s recent contract awards to study tech for high-speed airliners—and the one supersonic project that is still pushing forward, Boom.
Building on good results of initial 4,000-lb. demonstrator RDRE engines, NASA says larger pressure-gain rockets hold promise for future space missions.
Long-term pressure gain remains the goal, but compact combustion is accelerating near-term adoption of the technology for high-speed propulsion systems.
The U.S. Energy Department is supporting development of 1,000 Wh/kg energy storage, enough to power a 100-seat, 700-nm range all-electric regional aircraft.