Construction Of A Simplified Wood Gas Generator For Fueling Internal Combustion Engines In A Petroleum Emergency:  This construction manual was prepared by my friend and colleague, Harry LaFontaine for the Federal Emergency Management Agency, FEMA, assisted by F.P. Zimmerman at the Oak Ridge national Laboratory. The justification for writing this report was that in the event of a war or natural emegency, when liquid fuel supplies were interrupted, individuals could build gasifiers to run engines for transport and power. The manual was originally distributed by FEMA. This edittion is the first edition by the Biomass Energy Foundation Press....

Making Your Own Charcoal:  Using a cold chisel prepare the drum by making five 50mm (2in) holes in one end and completely removing the other. Knock-up the cut edge of the open end to form a ledge (Note, the lid will have to placed back on this ledge and made airtight)….