The production of ethanol commences / is commenced when plants absorb sunlight., Yes, No, The plants undergo / are undergone a pre-processing stage to become cellulose., Yes, No, Specialized trucks transport / are transported the fuel to various destinations., Yes, No, In the factory, the raw cellulose converts / is converted into sugars., Yes, No, The entire chemical cycle concludes / is concluded when the vehicles emit carbon dioxide back into the atmosphere., Yes, No.

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