Another air engine, only different

[Frank Lee]

Another zero-emissions powerplant emerges - the Dearman Engine runs on liquid air

[Old Tele man]

...but, how MUCH energy goes into compressing & cooling AIR down to its liquid state?

...ain't cheap!

[UFO]

I wonder what is in the heat exchange substance reclaimed every cycle. Kind of a cool idea though, energy density is much better than with high pressure vessels.