South Africa Uses Biogas to Turn Waste into Power

Like many countries, South Africa is struggling to meet its energy needs.  But instead of developing new technologies, the nation is trying a different tack - using waste to generate power.  This is the unlikely source of South Africa’s future energy : a massive sewage pipe which runs through northern Johannesburg. At a wastewater treatment plant, sewage is turned into energy, in the form of biogas.  Plant engineers say electricity price hikes in South Africa pushed them to ...

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