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11 Cards in this Set
- Front
- Back
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biofuels
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solids, liquids, or gases that produce energy from biological material
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biomass
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material from living or recently living organisms or their byproducts
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feedstock
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biomass sources used to make biofuels
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perennial
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plants that live for more than a year, growing and producing seeds year after year
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annual
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plants that live for a year, produce seeds, and then die
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fuel crops
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crops specifically grown to be used to produce biofuels
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bioethanol
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alcohol fuel made from crops like corn and sugarcane in a process of fermentation and distillation
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biodiesel
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liquid fuel made from vegetable oil, animal fats, or waste oil that can be used directly in a diesel internal combustion engine
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cellulosic ethanol
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bioethanol made by breaking down cellulose in plants; a difficult process that has yet to be scaled up to meet large production goals
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carbon sequestration
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storage of carbon in a form that does not readily release the carbon to the atmosphere or water
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carbon debt
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cumulative reduction of the carbon dioxide absorption or storage capacity of ecosystems, e.g. by converting land from a natural ecosystem to agricultural uses
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