A proposed plant that would use a high-heat process to turn sludge into fertilizer has residents worried about odors and property values.
Local authorities in Khon Kaen have launched a pilot initiative to convert plastic waste into fuel, aiming to help communities reduce fuel expenses amid soaring petrol prices.
An innovative entrepreneur in Holguín is working on an industrial plant prototype at the workshops of the Héroes del 26 de Julio Mechanical Company.
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