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A farmer uses his cotton seed biodiesel pump to irrigate his plot of maize in Kitui County on May 13, 2019.
By George Wachira
Petroleum consultant
Liquid biofuels consist of gasohol (also called bioethanol) which is a blend of gasoline and alcohol, and biodiesel which is a blend of diesel and oil from plants.
Alcohol and oil can also be consumed neat by motor engines depending on design.
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