The Mirai seems to have had a huge cost problem that the fuel cell cost a lot more than Toyota thought it would be by the time the car shipped. So they used a s

The Mirai seems to have had a huge cost problem that the fuel cell cost a lot more than Toyota thought it would be by the time the car shipped. So they used a small one with poor peak performance, and it's a much less exciting car than an electric car, but still costs extra and has annoying refueling. Planes need a lot of peak power for takeoff.