Vertical takeoff and landing aircraft
Electric aircraft that don't require runways could make it easier to get around cities. The Lilium Jet, pictured below, is a five-seater aircraft that aims to start an air taxi service by 2025.
Uber and Hyundai announced the S-A1 vehicle in January. This all-electric plane can travel up to 60 miles on a single charge. Uber is aiming to develop a future air taxi service.
Waymo has been hosting a ride-hailing service in Phoenix, Arizona. Its vehicles have travelled over 20 million miles to date.
Space rocket
SpaceX is currently developing the Starship, a rocket designed to take humans to Mars and beyond. It can also be used to transport people around the Earth in less than an hour. Flights from London to Hong Kong, which normally takes 11 hours 50 minutes by plane, would take just 34 minutes with the Starship.
SpaceX CEO Elon Musk has said the ship could transport 1,000 people at a time. Estimates place the ticket price at somewhere around $1,000 per person.
Hyperloop
The 700 mph vacuum-sealed pod transit system was first outlined by Elon Musk in a white paper in 2013. The idea has since been picked up by other startups, including Virgin Hyperloop.