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: Methane ( CH4 )
► Year 2000 —
● Greenhouse gas emission estimate —
| Amount: |
13.95 tonnes of CH4 Emitted (293.00 tonnes CO2 Eq.) |
| Basis: |
Calculation |
| Calculation: |
[EMFAC CH4 emission] * ([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 |
● 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 CH4 emission = 12,622,828 g (i.e. 12.62 tonnes) |
| 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 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 |
| Constant: |
Global warming potential of CH4 = 21 |
| Reference: |
IPCC (1996). Second Assessment Report. Climate Change 1995: WG I - The Science of Climate Change. Intergovernmental Panel on Climate Change; J.T. Houghton, L.G. Meira Filho, B.A. Callander, N. Harris, A. Kattenberg, and K. Maskell (eds.); Cambridge University Press. Cambridge, U.K. |
● Greenhouse gas emitted per unit activity —
| Amount: |
0.172 g of CH4 per gal of Distillate
3.62 g of CO2eq. per gal of Distillate |
