Last reviewed on February 25, 2013 at 15:57

Documentation of California's Greenhouse Gas Inventory (5th Edition - Last updated on 02/19/2013)

♦ Category: Energy

IPCC: 1A3bii - Fuel Combustion Activities - Transport - Road Transportation - Light-duty Trucks
Sector: Transportation : On Road : Light-duty Vehicles : Light-duty Trucks & SUVs

♦ Activity: Fuel combustion - Distillate

♦ Greenhouse gas: Carbon dioxide ( CO2 )

► Year 2000 —

● Greenhouse gas emission estimate —

Amount: 825,927 tonnes of CO2 Emitted (825,927 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CO2 emission]
Reference: IPCC (2006). 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programme, Eggleston H.S., Buendia L., Miwa K., Ngara T., and Tanabe K. (eds). Volume 2, Chapter 2: Stationary Combustion. Published: IGES, Japan. http://www.ipcc-nggip.iges.or.jp/public/2006gl/pdf/2_Volume2/V2_2_Ch2_Stationary_Combustion.pdf

● Activity level used in calculations —

Activity: Fuel combustion = 80,921,815 gal of Distillate
Basis: Calculation
Calculation: [EMFAC category fuel combustion] * ([Fuel sales] / [EMFAC total fuel combustion])
Reference: ARB (2012). Upcoming technical support document on GHG inventory methodologies for the 2000-2010 inventory. Specific questions may be directed to ARB staff, see: http://www.arb.ca.gov/cc/inventory/contacts.htm
Reference: Not Applicable.

● Parameters and Constants used in calculations —

Parameter: EMFAC category fuel combustion = 73,210,014 gal
Reference: ARB (2007). The California Air Resources Board's EMission FACtors (EMFAC) model was used to calculate emission rates from all motor vehicles, such as passenger cars to heavy-duty trucks, operating on highways, freeways and local roads in California. Model and documentation available online at: http://www.arb.ca.gov/msei/onroad/latest_version.htm
Parameter: EMFAC total fuel combustion = 2,381,859,604 gal
Reference: ARB (2007). The California Air Resources Board's EMission FACtors (EMFAC) model was used to calculate emission rates from all motor vehicles, such as passenger cars to heavy-duty trucks, operating on highways, freeways and local roads in California. Model and documentation available online at: http://www.arb.ca.gov/msei/onroad/latest_version.htm
Parameter: Fuel CO2 emission = 0.074 g / btu
Reference: USEPA (2012). Mandatory Reporting of Greenhouse Gas Regulation http://www.epa.gov/ghgreporting/
Parameter: Fuel sales = 2,632,760,061 gal
Reference: BOE (2011). California State Board of Equalization. Fuel Taxes Division Statistics & Reports - Motor Vehicle Fuel. Accessed online at: http://www.boe.ca.gov/sptaxprog/spftrpts.htm
Parameter: Heat content = 138,000 btu / gal
Reference: USEPA (2012). Mandatory Reporting of Greenhouse Gas Regulation http://www.epa.gov/ghgreporting/

● Greenhouse gas emitted per unit activity —

Amount: 10,206 g (i.e. 10.21 kg) of CO2 per gal of Distillate
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