Producing ethanol from maize. Conceptual artwork of a maize (Zea mays) kernel with a drop of ethanol emerging from it. The drop contains a silhouette of a tractor in it. This image could represent how farming crops such as maize can enable biofuels like ethanol to be produced. Biofuels are clean and renewable sources of energy, which have less impact on the environment than fossil fuels such as diesel, petrol and coal.
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