I wish I could see more without having to give
out spamming info.

It takes energy to compress air.
And the compressed air it would take to run
a car, I imagine it would have to be very high
pressure. So you will use lots of energy.
Get in a wreck and watch the shrapnel air tank
go boom. Not enough info. but interesting.

imo natural gas is a very viable alternative.
It burns very clean. The problem is distribution.
Just dont have the infrastructure set up for this
yet. I guess you might be able to load up at your
house since most neighborhoods in the US have
natural gas pipelines close. But then when your
house blows up because you forgot to turn the
spigot off...

As long as gas continues to be easy (cost and convenience)
we keep buying