Pellets can be cheaper (in dollars per BTU) than propane , and a 40lb bag can be had for $5 ... and yard trimmings/twigs can be found everywhere and you can burn them like pellets smile in a coffee can smile

PCIA Test Results of Cook Stove Performance • Time to boil • Fuel used to cook • Energy used to cook • CO emissions • PM emissions • Safety ratings • Cost to purchase • Monthly fuel use
TLUD Micro Gasification 2.0 Cooking with gas from dry biomass ... Catalogue of stoves ... silverfire.us greensteaders.org biolite.com ecozoomstove.com