The video discusses the evolution of hovercraft, highlighting their ability to travel over various surfaces and their initial popularity. It covers the technical aspects, such as fuel usage and competition from catamarans. The decline of hovercraft services in the 1980s due to rising fuel costs and competition from high-speed ferries and the Channel Tunnel is explored. Finally, the video touches on the modern revival of hovercraft for personal and commuter use on the River Thames.

What challenges do hovercraft face in terms of operational costs?

Describe the current state of hovercraft services in London.