Two Embraer Energia-family airliners—one designed to carry 19 passengers and the other 30—would employ hybrid-electric and hydrogen fuel cell technology.
The implementation of the Single Europe Sky project could save up to 10 percent of CO2 emissions across the region by modernizing air traffic management.
Although superficially similar to the B-2, the B-21 bomber benefits from four decades of advances in systems, manufacturing, and low-observable technology.