CalculationĨ,887 grams of CO 2/gallon of gasoline = 8.887 × 10 -3 metric tons CO 2/gallon of gasoline Sources This value assumes that all the carbon in the gasoline is converted to CO 2 (IPCC 2006). For reference, to obtain the number of grams of CO 2 emitted per gallon of gasoline combusted, the heat content of the fuel per gallon can be multiplied by the kg CO 2 per heat content of the fuel. In the preamble to the joint EPA/Department of Transportation rulemaking on that established the initial National Program fuel economy standards for model years 2012-2016, the agencies stated that they had agreed to use a common conversion factor of 8,887 grams of CO 2 emissions per gallon of gasoline consumed (Federal Register 2010). Environmental Protection Agency, Washington, DC. annual national emission factor, year 2019 data. 2020 Annual Energy Outlook, Table A8: Electricity Supply, Disposition, Prices, and Emissions. 2020 Annual Energy Outlook, Table A4: Residential Sector Key Indicators and Consumption. Regional average emission rates are also available on the eGRID web page.annual CO 2 total output emission rate, year 2019 data) This is a national average emissions factor. This calculation is intended for users who would like to know the equivalencies associated with greenhouse gas emissions associated with electricity consumed, not reduced. national annual average CO 2 output rate to convert kilowatt-hours of energy use into units of carbon dioxide emissions. The Greenhouse Gas Equivalencies Calculator uses the eGRID U.S. national weighted average CO 2 marginal emission rate, year 2019 data. Regional marginal emission rates are also available on the AVERT web page.
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