3. Hovercraft Public Transit

During the 1960s and 70s, hovercrafts seemed poised to revolutionize travel, with iconic vessels like the SR.N4 ferrying passengers across the English Channel. Despite their futuristic appeal, hovercrafts faced significant setbacks—high fuel consumption, noise pollution, and expensive upkeep made them impractical for widespread public transit. Today, they see only niche use. For a deeper dive into hovercraft history, visit BBC.



