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Last reviewed on November 2, 2011 at 10:05

Documentation of California's Greenhouse Gas Inventory (First Edition - Last updated on 11/19/2007)

♦ Category: Energy

IPCC: 1A3di - Fuel Combustion Activities - Transport - Water-borne Navigation - International Water-borne Navigation (International Bunkers)
Sector: Transportation : Water-borne : International Marine Bunker Fuel

♦ Activity: Fuel combustion - Residual fuel oil

♦ Greenhouse gas: Carbon dioxide ( CO2 )

► Year 1990 —

● Greenhouse gas emission estimate —

Amount: 24,487,226 tonnes of CO2 Excluded (24,487,226 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CO2 emission]
Reference: Murtishaw, S., De La Rue du Can, S,. Price, L., Masanet, E., and Simcich, M. (2005). CALEB: California Energy Balance Database, September 12, 2005. Lawrence Berkeley National Laboratory, Berkeley, CA.

● Activity level used in calculations —

Activity: Fuel combustion = 2,077,559,862 gal of Residual fuel oil
Basis: Data
Reference: This California Energy Balance Database (CALEB) value was adjusted by ARB staff based on additional information used for a complementary category. (CALEB: Murtishaw, S., De La Rue du Can, S,. Price, L., Masanet, E., and Simcich, M. (2005). California Energy Balance Database, September 12, 2005. Lawrence Berkeley National Laboratory, Berkeley, CA.)

● Parameters and Constants used in calculations —

Parameter: Fuel CO2 emission = 0.0787 g / btu
Reference: USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Annex 2.1 (Tables A-31, A-32, A-35, and A-36). April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html
Parameter: Heat content = 149,690 btu / gal
Reference: USEPA (2007). Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2005. United States Environmental Protection Agency. EPA 430-R-07-002. Annex 2.1 (Tables A-31, A-32, A-35, and A-36). April 15, 2007. Washington DC. http://www.epa.gov/climatechange/emissions/usgginv_archive.html

● Greenhouse gas excluded per unit activity —

Amount: 11,787 g (i.e. 11.79 kg) of CO2 per gal of Residual fuel oil