You're probably not as interested in building your own ammonia refrigerators as an 'ol mountain/desert creature like me- you've got lots of pretty streams in NY for that right?
I found one crazy bastard in Australia who was building a gasoline-fired refrigerator for his 6-pack (working on an oil rig where there was plenty petrol and no electricity). He was wishing for a jet-powered fridge, but some guys believe in overkill...
Hydraulic engineering, solar cooking, alcohol fuel and hydrogen production- let's get back to the 1800s technology and do our science/engineering RIGHT this time! (as in keep the greedy corporate/political/media parasites the FUCK out of our science and education system).