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1 | EA-18G Growler CO2 emissions and comparisons | |||||||||||||||||||||||||

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3 | Item | Amount | Source | Notes | ||||||||||||||||||||||

4 | Jet fuel consumption rate of the EA-18G Growler (gal / hr) | 1304 | Department of Defense: Selected Acquisition Report, page 35 | |||||||||||||||||||||||

5 | CO2 emissions from combustion of jet fuel (kg / gal) | 9.57 | US Energy Information Adminstration Voluntary Reporting of Greenhouse Gases Program Fuel Emission Coefficients, Table 2 | This is the emissions factor for jet fuel (Jet A, JP-8). Growlers burn JP-5 which, like Jet A and JP-8 is a kerosene-based jet fuel. JP-5 has been accepted as alternative to JP-8 in the frame of the Single Fuel Policy so its emissions are expected to be similar. | ||||||||||||||||||||||

6 | CO2 produced by EA-18G Growler (kg / hr) | 12479 | (calculated based on assumptions above) | |||||||||||||||||||||||

7 | CO2 produced by EA-18G Growler (metric tonnes / hr) | 12.48 | (calculated based on assumptions above) | |||||||||||||||||||||||

8 | CO2 equivalent emissions in Washington state (million metric tons / yr) | 68.9 | US Energy Information Admistration State CO2 emissions | |||||||||||||||||||||||

9 | Washington state population | 6767900 | WA Office of Financial Management | |||||||||||||||||||||||

10 | Per capital emissions in Washington state (metric tonnes / yr) | 10.18 | (calculated based on assumptions above) | |||||||||||||||||||||||

11 | Percentage of annual WA per-capita emissions produced by Growler in one hour | 122.58% | (calculated based on assumptions above) | |||||||||||||||||||||||

12 | CO2 emissions from average US passenger car (kg / mile) | 0.423 | US EPA Greenhouse Gas Emissions from a Typical Passenger Vehicle | |||||||||||||||||||||||

13 | miles driven by average US car to produce CO2 equal to one Growler-hour | 29,502 | (calculated based on assumptions above) | |||||||||||||||||||||||

14 | Driving distance from Anacortes to New York City (miles) | 2931 | Google Maps | |||||||||||||||||||||||

15 | Number of round trips from Anacortes to New York City (average US car) to produce Growler-hour CO2 | 5.033 | (calculated based on assumptions above) | |||||||||||||||||||||||

16 | CO2 produced by average US car at 45 mph (kg/hr) | 19.035 | (calculated based on assumptions above) | |||||||||||||||||||||||

17 | Number of US cars driving 45 mph emitting CO2 equal to a Growler | 656 | (calculated based on assumptions above) | |||||||||||||||||||||||

18 | CO2 emissions from a Toyota Prius (1.5 VVTi LE) (kg / km) | 0.104 | The Green Car Website | |||||||||||||||||||||||

19 | CO2 emissions from a Toyota Prius (1.5 VVTi LE) (kg / mile) | 0.167 | (calculated based on assumptions above) | |||||||||||||||||||||||

20 | miles driven by Prius to produce CO2 equal to one Growler-hour | 74560 | (calculated based on assumptions above) | |||||||||||||||||||||||

21 | Number of round trips from Anacortes to New York City in Prius to produce Growler-hour CO2 | 12.7 | (calculated based on assumptions above) | |||||||||||||||||||||||

22 | CO2 produced by Prius at 45 mph (kg / hr) | 7.5 | (calculated based on assumptions above) | |||||||||||||||||||||||

23 | Number of Prii driving 45 mph making CO2 equal to a Growler | 1,657 | (calculated based on assumptions above) | |||||||||||||||||||||||

24 | Electricity consumption of a 14" notebook computer meeting EPA Energy Star requirements (kWh per year) | 39 | EPA Energy Star. "Version 6.1 final Computer Program Requirements". Appendix A. | |||||||||||||||||||||||

25 | CO2 emissions from electricity in Washington State (CO2 per kWh) | 0.11 | http://www.eia.gov/electricity/state/washington/ | |||||||||||||||||||||||

26 | CO2 emissions from notebook computer usage (kg CO2 per year) in Washington State | 4.29 | (calculated based on assumptions above) | |||||||||||||||||||||||

27 | Number of years one could power a notebook equal to emissions of one hour of Growler in flight | 2909 | (calculated based on assumptions above) | |||||||||||||||||||||||

28 | Fuel consumption of average WA ferry (gal diesel/hour) | 260 | US EPA. CMV Emissions by Fuel Consumption and Power Demand Methods | |||||||||||||||||||||||

29 | Number of ferries in service in San Juan County | 4 | http://www.wsdot.com/ferries/vesselwatch/Default.aspx | |||||||||||||||||||||||

30 | 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 | |||||||||||||||||||||||

31 | kg CO2 per ferry per hour | 2665 | (calculated based on assumptions above) | |||||||||||||||||||||||

32 | Number of ferries running for an hour that produce equivalent CO2 as one hour of Growler in flight | 4.7 | (calculated based on assumptions above) | |||||||||||||||||||||||

33 | Flight Hours per Growler Aircraft per Month: | 34.2 | Department of Defense: Selective Acquisition Report, page 35 | |||||||||||||||||||||||

34 | Flight Hours per Growler Aircraft per Year: | 410.4 | (calculated based on assumptions above) | |||||||||||||||||||||||

35 | Gallons of jetfuel per Growler per Year stationed at Whidbey NAS | 535161.6 | (calculated based on assumptions above) | |||||||||||||||||||||||

36 | Number of active Growlers at Whidbey NAS as of December 2015 (not including 12 backup planes) | 82 | Larsen: Defense Bill Funds Five Growlers, Underscores Importance of PNW to National Defense | |||||||||||||||||||||||

37 | Total flight EA-18G flight hours per year (as of 2015) | 33653 | (calculated based on assumptions above) | |||||||||||||||||||||||

38 | CO2 emissions of EA-18 Growlers (with fleet size as of Dec 2015) (metric tons/yr) | 419963 | (calculated based on assumptions above) | |||||||||||||||||||||||

39 | Additional Growlers at Whidbey NAS planned by December 2016 | 36 | Environmental Impact Statement (EIS) for EA-18G Growler Airfield Operations at Naval Air Station (NAS) Whidbey Island, Washington | |||||||||||||||||||||||

40 | Total flight EA-18G flight hours per year (after addition of planned Growlers) | 48427 | (calculated based on assumptions above) | |||||||||||||||||||||||

41 | CO2 emissions of EA-18 Growlers (with expected fleet size as of Dec 2016) (metric tons/yr) | 604337 | (calculated based on assumptions above) | |||||||||||||||||||||||

42 | Growler flights (assuming fleet expands by 36 planes) as % of total Washington state emissions | 0.88% | (calculated based on assumptions above) | |||||||||||||||||||||||

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44 | Fuel rate with afterburner (per engine) (lbs per hour) | 35763 | EIS | |||||||||||||||||||||||

45 | Number of engines | 2 | EIS | |||||||||||||||||||||||

46 | Afterburner usage per flight (min) | 0.33 | EIS | |||||||||||||||||||||||

47 | Afterburner fuel usage (lbs) | 393.393 | EIS | |||||||||||||||||||||||

48 | ||||||||||||||||||||||||||

49 | NAS estimate per year of current Growler CO2e (metric tons) | 89,849 | EIS | |||||||||||||||||||||||

50 | NAS estimate per year of current fuel use (gallons) | 9,517,163.74 | EIS | |||||||||||||||||||||||

51 | NAS estimate per Growler per year of fuel (gallons) | 116063 | ||||||||||||||||||||||||

52 | Ratio between annual fuel use per growler in EIS to Selected Aquisition Report | 4.6 | ||||||||||||||||||||||||

53 | gallons per metric tonne of CO2 | 105.9 | (calculated based on assumptions above) | |||||||||||||||||||||||

54 | ||||||||||||||||||||||||||

55 | FY 2016 jet fuel used by EA-18G growler fleet stationed at Whidbey NAS (gallons) | 20,253,643 | Freedom of Information Act request - FOIA REQUEST #FY17-04 FROM DR. GREACEN (DON-NAVY-2017-001735) | |||||||||||||||||||||||

56 | Average fuel per EA-18G at Whidbey per year | 246,996 | (calculated based on assumptions above) | |||||||||||||||||||||||

57 | Annual EA-18G CO2 emissions in FY2016 based on FOIA request (tonnes) | 193,827 | ||||||||||||||||||||||||

58 | % of Washington State annual emissions emitted by EA18G fleet in FY16 | 0.28% | ||||||||||||||||||||||||

59 | % of Washington State annual emissions emitted by EA18G fleet after adding 36 aircraft | 0.40% | ||||||||||||||||||||||||

60 | Metric tonnes of CO2 from Growlers in FY2016 | 193,827.36 | ||||||||||||||||||||||||

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