Uber just unveiled its ambitious flying taxi plan - but it will have a lot of competition

Uber just revealed new details about its flying taxi project.

At a Tuesday conference in Dallas, Uber revealed it will demo the futuristic transport system in 2020 with the help of partners like Embraer and Aurora Flight Sciences. It's not the first time Uber has announced its intention to enter the realm of science fiction; the ride-hailing service released a white paper for its Uber Elevate plan in late October.

Uber, along with most companies in the space, aren't releasing the flying cars you saw in "Back to the Future." Rather, the majority are pursuing electric, vertical take-off and landing (VTOL) aircrafts for shorter urban commutes.

Like the name suggests, these are vehicles that can take off without needing a runway.

But competition is mounting when it comes to the flying-car moonshot - here are 6 companies working on their own flying taxi projects: