Zeppelins might be slow, but their comeback could move the needle on green aviation

Zeppelins might be slow, but their comeback could move the needle on green aviation

In the race to cut aviation emissions, a handful of startups are betting on modern-day zeppelins to revive air travel’s slow, scenic, and sustainable past.Nicolás Rivero reports for The Washington Post.In short:New zeppelin prototypes use helium and hybrid engines to reduce fuel use and slash emissions by up to 90%, though none are yet flight-certified.Companies like LTA Research, Hybrid Air Vehicles, and Flying Whales are backed by tech billion…