LONDON, England (Reuters) — A new one-step process that turns spent coffee grounds into biofuel could help in the fight to reduce our reliance on diesel made from fossil fuels, say researchers at Lancaster University. Using feedstocks, such as soybean, rapeseed, or corn, grown specifically to extract oils to make biodiesel is controversial because of their cost and because they divert crops from food production. Lead researcher Dr Vesna Najdanovic-Visak told Reuters: “These kind of […]