Tesla's decision to build a flying Roadster has been welcomed with a cheeky response from a rival. Electrek reports that Alef released a video showing its electric flying car flying over the old Roadster, with the company saying that until the Tesla Roadster, there was only one car in the flying car market. The message was clearly meant to promote Alef's own vehicle and to claim a head start.
The stunt highlights a difference between the two ideas. Tesla's concept, as described by Electrek, uses cold-gas thrusters to make a car jump and flip, which is more like a hop than a sustained flight. Alef's approach, as the company presents it, is a flying car intended to travel through the air. The terms flying car and hopping car overlap in marketing but are very different in engineering and regulation.
Flying cars face significant hurdles. Aviation authorities have strict rules on aircraft certification, pilot licensing and airspace use, and a vehicle that works both on roads and in the air must satisfy both sets of rules. Safety, noise, battery capacity and cost are also challenges. Many projects have been announced over the years, and few have reached customers in any quantity.
For readers, this is a light-hearted episode in a serious industry. Companies often use rival announcements to gain publicity, and videos like this spread quickly on social media. The practical questions are whether any of these vehicles will be certified, how much they will cost and who will be able to use them. If you are curious about the technology, follow regulatory announcements, which are better indicators than promotional clips. Watch for any statement from Tesla in response, and for news of testing or approvals from aviation regulators.