[m-j-fox]

Why not hydrogen? Stuffing a Mirai's guts into a turboprop is a project we could do today. Solves the waiting/hoping for battery technology problem and saves Toyota's $billions invested in r&d from the toilet.

[gjjrfcbugxbhf]

How do you store the hydrogen?

[m-j-fox]

However Toyota stores it. Probably something resembling lab cylinders.

[m-j-fox]

Which turn out to be carbon-fiber tanks.