Last reviewed on 12-01-2023

Documentation of California's Greenhouse Gas Inventory (2023 Edition - Last updated on 12-1-2023)

♦ Category: Energy

IPCC: 1A2f - Fuel Combustion Activities - Manufacturing Industries and Construction - Non-Metallic Minerals
Sector: Industrial : Manufacturing : Stone, Clay, Glass & Cement : Cement

♦ Activity: Fuel combustion - Tires

♦ Greenhouse gas: Carbon dioxide from biogenic sources ( CO2 )

► Year 2000 —

● Greenhouse gas emission estimate —

Amount: 18,955 tonnes of CO2 From biogenic materials (18,955 tonnes CO2 Eq.)
Basis: Calculation
Calculation: [Fuel combustion] * [Proportion of renewables] * [Heat content] * [Fuel CO2 emission]
Reference: CARB (2016). Technical support document on GHG inventory methodologies for the 2000-2014 inventory. See Discussion of emissions from electricity and combined heat and power generation available at: https://ww3.arb.ca.gov/cc/inventory/pubs/reports/2000_2014/ghg_inventory_00-14_technical_support_document.pdf

● Activity level used in calculations —

Activity: Fuel combustion = 41,027 ton of Tires
Basis: Data
Reference: O'Hare, A. T. (2007). Data request between CARB and Andrew T. O'Hare of the Portland Cement Association, Washington, DC. http://www.cement.org/

● Parameters and Constants used in calculations —

Parameter: Biogenic fraction = 0.2
Reference: CARB's Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 [§§98.33(e)(3)(iv)(B)]. Available online at: https://www.arb.ca.gov/cc/reporting/ghg-rep/regulation/subpart_c_rule_part98.pdf
Parameter: CO2 emission factor = 0.086 g / btu
Reference: CARB Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 (§§98.30 to 98.38). Available online at: https://www.arb.ca.gov/cc/reporting/ghg-rep/regulation/subpart_c_rule_part98.pdf
Parameter: Heat content = 26,870,000 btu / ton
Reference: CARB Mandatory Reporting of Greenhouse Gas Regulation. Subpart C of 40 CFR Part 98 (§§98.30 to 98.38). Available online at: https://www.arb.ca.gov/cc/reporting/ghg-rep/regulation/subpart_c_rule_part98.pdf

● Greenhouse gas from biogenic materials per unit activity (derived from values listed above) —

Amount: 462,003 g (i.e. 462 kg) of CO2 per ton of Tires