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: 1A3c - Fuel Combustion Activities - Transport - Railways
Sector: Transportation : Rail

♦ Activity: Fuel combustion - Distillate

♦ Greenhouse gas: Methane ( CH4 )

► Year 2000 —

● Greenhouse gas emission estimate —

Amount: 75.84 tonnes of CH4 Emitted (1,593 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Heat content] * [Fuel CH4 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 = 183,196,000 gal of Distillate
Basis: Data
Reference: EIA (2011). Energy Information Administration. Petroleum Navigator. Topics for Petroleum Consumption/Sales. Accessed online at: http://tonto.eia.doe.gov/dnav/pet/pet_cons_top.asp

● Parameters and Constants used in calculations —

Parameter: Fuel CH4 emission = 3.000E-06 g / btu
Reference: USEPA (2012). Mandatory Reporting of Greenhouse Gas Regulation http://www.epa.gov/ghgreporting/
Parameter: Heat content = 138,000 btu / gal
Reference: USEPA (2012). Mandatory Reporting of Greenhouse Gas Regulation http://www.epa.gov/ghgreporting/
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: 0.414 g of CH4 per gal of Distillate
8.69 g of CO2eq. per gal of Distillate
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