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New ground in bio-fuel: logs made from coffee The London Standard 1:40 8 years ago 20 626 Далее Скачать
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How To Make A Log For Your Fire Using Used Coffee Grounds Tasty UK 1:23 3 years ago 47 941 Далее Скачать
Toronto students turn used coffee grounds into fuel logs CTV News 4:30 8 years ago 48 044 Далее Скачать
Local scientists develop method to create renewable energy using coffee grounds Arirang News 1:46 5 years ago 4 056 Далее Скачать
Alex Downs Extraction of Oil from Waste Coffee Grounds - Biodiesel Wibur Wildcat 1:32 9 years ago 10 246 Далее Скачать
Biodiesel called B20: the feasibility of using discarded coffee as a base for biofuels. Science and more 2:11 7 years ago 257 Далее Скачать
