Fresh look at biofuels
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Engineers cut out an unnecessary step
It鈥檚 been argued that the process of making biofuels uses more energy than it produces. But Witsies Neil Stacey (BSc Eng 2009, PhD 2016), Aristoklis Hadjitheodorou (BSc Eng 2009) and Prof David Glasser have been in the news (Creamer Media鈥檚 Engineering News) for their on energy-efficient production of bioethanol-enriched petrol. Their , published in Energy & Fuels, suggests that existing bioethanol plants can be retrofitted to use the new process.