Hi Andrew, I contacted Rio Muchacho Farm a few days ago (
http://riomuchacho.com/), they are located near Bahía de Caráquez and they offer farm tours, I may just go and check it out! I still have a few days left in Ecuador. I'll contact the Ministry of Agriculture for info.
Some time ago I learned about Syngas (SNG, which can be produced from biomass) it can be used on modified diesel engines and such. Here in Ecuador I found out too that some gas stations sell "Ecopais" ethanol fuel derived from sugarcane!
Almost all homes on and around the farm are built on stilts, so I'll bear that in mind.
You are right, I've found Ecuador's sierra and costa very beautiful so far, Quevedo is a small city ag oriented city (I can easily walk from my wife's family home to the city's commercial district). So far I'm very comfortable living here!
Saludos,
P