An interesting resource on making briquettes.
Via: EchoTech.org (PDF)
Briquettes made from materials that cost little or no money to obtain, such as old newspaper or partially decomposed plant waste, can be an alternate fuel to charcoal, firewood or coal, and may cost less. Depending on materials used to make the briquettes, they may burn cleaner than coal. Finally, turning “throw-away” materials into a fuel source is attractive because it is a sustainable process. Many different methods and technologies exist for pressing briquettes. Each has its own unique advantages and disadvantages. This
document describes two designs for briquette presses that are used here at ECHO.
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