The portable “anaerobic digester” from Israeli start-up HomeBioGas turns kitchen waste and livestock manure into cooking-gas. It has become popular with Negev Arab Bedouins and rural Palestinian Arabs who previously damaged their health by burning wood or goat manure for cooking.

http://www.algemeiner.com/2015/08/24/israeli-startup-homebiogas-is-changing-the-lives-of-rural-palestinians-and-bedouin/#