Sentences with phrase «various fuel crops»
Comparing emissions from various fuel crops versus carbon storage in natural ecosystems, Renton Righelato and Dominick Spracklen write that «forestation of an equivalent area of land would sequester two to nine times more carbon over a 30 - year period than the emissions avoided by the use of the biofuel.»
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Bio-jet fuel can be produced from various plant materials, including oil crops, sugar crops, starchy plants and lignocellulosic biomass, through various chemical and biological routes.
Others have further elaborated on the carbon implications of various forms of bioenergy, from corn ethanol to crop residue cellulosic fuels to wood bioenergy.
Through various life cycle assessment studies (Searchinger et al, 2008; DeCicco et al, 2016) performed on annual bioenergy crops such as corn, it has been shown that they are not much better than fossil fuel energy sources in terms of climate and energy impacts.