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India's cows offer biogas alternative to Mideast energy crunch

phys.org·Uzmi ATHAR·about 1 month ago
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A villager carrying cow dung from her cattle stable to a biogas plant. Across much of India, an energy crunch caused by the Iran war has prompted long queues for cooking gas cyclinders. That's not a problem for Gauri Devi. On a stove with blue flames, she flips a chapati flatbread, burning biogas produced from cow dung—an alternative fuel helping ease pressure on supplies. "It cooks everything," the 25-year-old said in her courtyard kitchen in Nekpur, a village in Uttar Pradesh, about 90 kilometers (55 miles) from New Delhi. "If the pressure goes down, we let it rest for half an hour and it works again." India consumes more than 30 million tonnes of liquefied petroleum gas (LPG) annually, importing over half its needs. The government insists there is no shortage of cooking gas, but supply delays, panic buying and black marketeers have created long queues for cylinders.…

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