Sentences with phrase «cheap cooking fuel»
He was part of the team that introduced sugarcane - based charcoal as a cheap cooking fuel, and his solar disinfecting plastic bags purify water for drinking.
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Indoor pollution — caused by burning a fire inside your house, cabin, hut or tent to cook and keep warm — was a deadly global problem until the late 19th century when cheap kerosene, a fossil fuel byproduct, became available in America and Europe.