sci.energy

On Sat, 23 Feb 2008 12:24:58 -0800 (PST), Bret Cahill
wrote:

>
>Batteries wear out after so many charges which makes batteries more
>expensive and more fuelish overall than fuel only conventional
>drives. This might not be as true for a compressed air storage
>system.

IME, about the only real concern with the tank would be the tank
rusting out over time. Even then. just make the thing easily
accessable and changing out a corroded tank should be no more
difficult nor expensive than changing a battery a car is today.

>Compressed air motors and turbomachinery are extremely compact. The
>big thing will be the air tank.

Air tank and a smaller gas tank where the full sized gas tank is now.

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