CO2 in SJC

	A	B	C	G	K
1	Population of San Juan County	17128	https://www.census.gov/quickfacts/sanjuancountywashington
2	car ownership (vehicles per 1000 people)	939	Wikipedia. List of U.S. states by vehicles per capita
3	Estimated number of vehicles in San Juan County	16083	(calculated based on assumptions above)
4	Average vehicle operation --miles per year	8863	http://www.wstc.wa.gov/StatewideTransportationSystem/documents/2014_RUCFleetJunesurvey_Report_000.pdf
5	CO2 emissions from average US passenger car (kg / mile)	0.404	https://www.epa.gov/greenvehicles/greenhouse-gas-emissions-typical-passenger-vehicle
6	CO2 Emissions from vehicles (thousand metric tons/yr) in San Juan County	58	(calculated based on assumptions above)
7
8	Electricity
9	MWh sold (OPALCO)	218,021	http://www.opalco.com/about/
10	kg CO2 per MWh (OPALCO)	21	https://www.opalco.com/sustainability-and-the-environment/fuel-mix/	https://www.bpa.gov/p/Generation/Fuel-Mix/Pages/Fuel-Mix.aspx	Discussion with Jay Kimball, OPALCO
11	CO2 Emissions per year from electricity (thousand metric tons/year)	5	(calculated based on assumptions above)
12	kg CO2 per MWh (hydro only)	4	https://www.bpa.gov/p/Generation/Fuel-Mix/Pages/Fuel-Mix.aspx
13	CO2 Emissions per year from electricity (thousand metric tons/year)	1
14	Average CO2 emissions per hour (tonnes/hour)	0.52
17
18	Ferries
19	Estimated average number of ferries	4.5	http://www.wsdot.com/ferries/vesselwatch/Default.aspx
20	Estimated average number of hours each ferry operates	12.8	6am to 10pm with 20% of time waiting at dock
21	Fuel consumption of average WA ferry (gal diesel/hour)	260	US EPA. CMV Emissions by Fuel Consumption and Power Demand Methods
22	kg CO2 per gallon of diesel used in ferry	10.25	WA Department of Transportation (2012). Drive or sail: comparing cost, time, and greenhouse gas emissions
23	kg CO2 per ferry per hour	2665	(calculated based on assumptions above)
24	CO2 Emissions per year from ferries (thousand metric tons/year)	56.0
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26	Total SJC emissions from transport, electricity and ferries (thousand tonnes/yr)	118.2
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29		Thousand metric tonnes CO2 equivalent per year
30	Electricity	5
31	Vehicles (gasoline & diesel)	58
32	Ferries	56
33	Growlers (after additional 36 planes added)	604
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