Corn ethanol reduces carbon footprint, greenhouse gases
A study conducted by researchers at the U.S. Department of Energy’s (DOE) Argonne National Laboratory reveals that the use of corn ethanol is reducing the carbon footprint and diminishing greenhouse gases.
The study, recently published in Biofuels, Bioproducts and Biorefining, analyzes corn ethanol production in the United States from 2005 to 2019, when production more than quadrupled. Scientists assessed corn ethanol’s greenhouse gas (GHG) emission intensity (sometimes known as carbon intensity, or CI) during that period and found a 23% reduction in CI.
To assess emissions, scientists use LCA. The Argonne team used Argonne’s GREET® model for this study. Argonne developed GREET (the Greenhouse gases, Regulated Emissions, and Energy use in Technologies) model, a one-of-a-kind LCA analytical tool that simulates the energy use and emissions output of various vehicle and fuel combinations. Government, industry, and other researchers worldwide use GREET® for LCA modeling of corn ethanol and other biofuels.
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