Jim Joyce writes:
On Wed, 26 May 2021 23:02:46 -0400, wrote:
Maybe they can design a downsized and simplified version of an APU/EPU,
like fighter jets have, and power it with a very small tank of hydrazine.
When your batteries die, you fire up the APU and go another 50-60 miles.
Or just mark part of the battery capacity reserve and use the reserve
for another 50-60 miles.
Or just plan ahead.