APPENDIX F

AIR QUALITY

Past planning documents identified a “Chicago to Omaha” corridor, so for the purposes of this 

appendix, the corridor reference will remain as previously designated; however, the project name 

includes “Council Bluffs” in the title.
This page intentionally left blank
Chicago to Omaha Intercity Passenger Rail Service Cook County Estimate of Diverted Trips

Build Alternative Quantity Source:

Total Annual Ridership 1,922,816 AECOM updates (April 2013)

New Trips from induced growth 190,944 AECOM updates (April 2013)

Amount of Diverted Trips 1,731,872 AECOM updates (April 2013)

Auto Diverted Trips 1,366,329 Travel diverted to rail from auto

Bus Diverted Trips 324,680 Travel diverted to rail from bus

Air Diverted Trips 40,864 Travel diverted to rail from air

Auto

Auto miles one way 16.6 miles - Google Earth Pro

Nationwide % passenger cars 60.3% Percenta

Nationwide % passenger trucks 39.7% Percenta

Average passenger car energy intensity 3,538 Btu/passenger mile

Average passenger truck energy intensity 3,663 Btu/passenger mile

Average passengers per car 1.55 passengers/vehiclea

Average passengers per truck 1.84 passengers/vehiclea

Total diverted auto passenger miles per year 22,681,000 passenger-miles/year

Annual diverted auto fuel consumption 81,370 MMBtu/yr

Gasoline heating value 130,000 Btu/gal - USEPA AP-42 Appendix A

Annual auto fuel consumption diverted 625,923 gallons per year

Annual auto miles diverted 13,621,915 miles per year

Bus

Intercity passenger bus energy intensitya 4,242 Btu/passenger mile

One-way distance 16.6 miles - Google Earth Pro

Total diverted bus passenger miles per year 5,389,680 passenger-miles/year

Annual diverted bus fuel consumption 22,863 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual diverted bus fuel consumption 166,883 gallons per year

Train

Intercity passenger train energy intensitya 2,435 Btu/passenger mile

One-way distance 17 miles

Total new train passenger miles per year 31,918,744 passenger-miles/year

Annual new passenger train fuel consumption 77,722 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual new passenger train fuel consumption 567,315 gallons per year

Air

Air transportation energy intensitya 2,826 Btu/passenger mile

One-way distance 17 miles - Google Earth Pro

Total diverted air passenger miles per year 678,335 passenger-miles/year

Jet fuel heating value 135,000 Btu/gala

Jet fuel density 6.60 lb/gal

Annual air fuel consumption diverted 1,917 MMBtu/yr

Annual air fuel consumption diverted 14,200 gal/yr

Annual air fuel consumption diverted 42,548 kg/yr

a

 US Department of Energy Transportation Energy Data Book: Edition 30-2011.

Emission Calculations

Additional Passenger Train Emissions Automobile Emissions Diverted Airline Emissions Diverted Bus Emissions Diverted 

Emission 

Factor[1],[4]

(g/gal)

(lb/gal) CO2

Emissions 

Added

(lb/yr)

Emissions 

Added

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[3],[4]

(g/kg) (lb/gal) 

CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Net Change

(ton/yr)

5.8 7,248 3.62 0.4272 12,817 6.41 0.7 66 0.03 0.1581 4,742 2.37 -5.19

38.1 47,609 23.80 3.3467 100,415 50.21 4.4 413 0.21 1.2706 38,122 19.06 -45.67

131 163,697 81.85 3.4469 103,421 51.71 14.1 1,323 0.66 1.2978 38,940 19.47 10.01

3.4 4,249 2.12 0.1698 5,095 2.55 0.0644 1,931 0.97 -1.39

3.298 4,121 2.06 0.1411 4,234 2.12 0.0545 1,637 0.82 -0.87

0.096 120 0.06 0.0071 213 0.11 0.4 38 0.02 0.0024 72 0.04 -0.10

22.377 12,694,806 6,347.40 17.681 11,066,946 5,533.47 21.098 299,588 150 22.377 3,734,349 1,867.17 -1,203.04

Note: The Chicago nonattainment area for Hydrocarbons, Nitrogen Oxides, and PM2.5 includes the Cook, DuPage, Kane and Kendall Counties.

Carbon monoxide (CO)

Hydrocarbons

Pollutant

Carbon dioxide[4] (CO2)

[1] Except CO2, emission factors from EPA document EPA420-F-09-025; Emission Factors for Locomotives; Dated April 2009. Emission factors are projected calendar year 2015 emission factors 

for passenger/commuter locomotives (Tier 4). 

SO2

[5]

PM2.5

PM10

Nitrogen oxides (NOx)

[2] Emission factors from data output from EPA Moves2010b model run for 2015. 

[3] Except CO2, emission factors from US Department of Transportation Federal Highway Administration document "Assessing the Effects of Freight Movement on Air Quality at the National and 

Regional Level; Final Report; April 2005". Emission factors are projected for 2015.

[4] CO2 Emission factors from US Department of Transportation Energy Information Administration Voluntary Reporting of Greenhouse Gases Program - Coefficients webpage. Emission factors 

are in units of lb/gal.

[5] Train SO2 emission factor calculated based on 15 ppm (weight basis) diesel fuel sulfur content: 

(15 ppm S/1,000,000) x (7.05 lb/gal) x (454 g/lb) x (2 lb SO2/lb S) = 0.096 g/gal
Chicago to Omaha Intercity Passenger Rail Service Cook County Estimate of Diverted Trips

Build Alternative Quantity Source:

Total Annual Ridership 1,922,816 AECOM updates (April 2013)

New Trips from induced growth 190,944 AECOM updates (April 2013)

Amount of Diverted Trips 1,731,872 AECOM updates (April 2013)

Auto Diverted Trips 1,366,329 Travel diverted to rail from auto

Bus Diverted Trips 324,680 Travel diverted to rail from bus

Air Diverted Trips 40,864 Travel diverted to rail from air

Auto

Auto miles one way 4 miles - Google Earth Pro

Nationwide % passenger cars 60.3% Percenta

Nationwide % passenger trucks 39.7% Percenta

Average passenger car energy intensity 3,538 Btu/passenger mile

Average passenger truck energy intensity 3,663 Btu/passenger mile

Average passengers per car 1.55 passengers/vehiclea

Average passengers per truck 1.84 passengers/vehiclea

Total diverted auto passenger miles per year 5,465,000 passenger-miles/year

Annual diverted auto fuel consumption 19,606 MMBtu/yr

Gasoline heating value 130,000 Btu/gal - USEPA AP-42 Appendix A

Annual auto fuel consumption diverted 150,815 gallons per year

Annual auto miles diverted 3,282,208 miles per year

Bus

Intercity passenger bus energy intensitya 4,242 Btu/passenger mile

One-way distance 4 miles - Google Earth Pro

Total diverted bus passenger miles per year 1,298,718 passenger-miles/year

Annual diverted bus fuel consumption 5,509 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual diverted bus fuel consumption 40,213 gallons per year

Train

Intercity passenger train energy intensitya 2,435 Btu/passenger mile

One-way distance 4 miles

Total new train passenger miles per year 7,691,264 passenger-miles/year

Annual new passenger train fuel consumption 18,728 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual new passenger train fuel consumption 136,702 gallons per year

Air

Air transportation energy intensitya 2,826 Btu/passenger mile

One-way distance 4 miles - Google Earth Pro

Total diverted air passenger miles per year 163,454 passenger-miles/year

Jet fuel heating value 135,000 Btu/gala

Jet fuel density 6.60 lb/gal

Annual air fuel consumption diverted 462 MMBtu/yr

Annual air fuel consumption diverted 3,422 gal/yr

Annual air fuel consumption diverted 10,253 kg/yr

a

 US Department of Energy Transportation Energy Data Book: Edition 30-2011.

Emission Calculations

Additional Passenger Train Emissions Automobile Emissions Diverted Airline Emissions Diverted Bus Emissions Diverted 

Emission 

Factor[1],[4]

(g/gal)

(lb/gal) CO2

Emissions 

Added

(lb/yr)

Emissions 

Added

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[3],[4]

(g/kg) (lb/gal) 

CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Net Change

(ton/yr)

5.8 1,746 0.87 0.4272 3,088 1.54 0.7 16 0.01 0.1581 14 0.01 -0.69

38.1 11,472 5.74 3.3467 24,195 12.10 4.4 99 0.05 1.2706 0 - -6.41

131 39,445 19.72 3.4469 24,919 12.46 14.1 319 0.16 1.2978 7 0.00 7.10

3.4 1,024 0.51 0.1698 1,228 0.61 0 0.0644 0 0.00 -0.10

3.298 993 0.50 0.1411 1,020 0.51 0 0.0545 924 0.46 -0.48

0.096 29 0.01 0.0071 51 0.03 0.4 9 0.00 0.0024 0 0.00 -0.02

22.377 3,058,989 1,529.49 17.681 11,066,946 5,533.47 21.098 72,190 36 22.377 899,843 449.92 -4,489.99

Note: The Chicago nonattainment area for PM10 includes the Lyons Township only which is located in Cook County.

Carbon dioxide[4] (CO2)

SO2

[5]

PM2.5

PM10

Nitrogen oxides (NOx)

[1] Except CO2, emission factors from EPA document EPA420-F-09-025; Emission Factors for Locomotives; Dated April 2009. Emission factors are projected calendar year 2015 emission factors 

[2] Emission factors from data output from EPA Moves2010b model run for 2015. 

Carbon monoxide (CO)

Hydrocarbons

Pollutant

[3] Except CO2, emission factors from US Department of Transportation Federal Highway Administration document "Assessing the Effects of Freight Movement on Air Quality at the National and 

[4] CO2 Emission factors from US Department of Transportation Energy Information Administration Voluntary Reporting of Greenhouse Gases Program - Coefficients webpage. Emission factors 

[5] Train SO2 emission factor calculated based on 15 ppm (weight basis) diesel fuel sulfur content: 
Chicago to Omaha Intercity Passenger Rail Service DuPage County Estimate of Diverted Trips

Build Alternative Quantity Source:

Total Annual Ridership 1,922,816 AECOM updates (April 2013)

New Trips from induced growth 190,944 AECOM updates (April 2013)

Amount of Diverted Trips 1,731,872 AECOM updates (April 2013)

Auto Diverted Trips 1,366,329 Travel diverted to rail from auto

Bus Diverted Trips 324,680 Travel diverted to rail from bus

Air Diverted Trips 40,864 Travel diverted to rail from air

Auto

Auto miles one way 18.3 miles - Google Earth Pro

Nationwide % passenger cars 60.3% Percenta

Nationwide % passenger trucks 39.7% Percenta

Average passenger car energy intensity 3,538 Btu/passenger mile

Average passenger truck energy intensity 3,663 Btu/passenger mile

Average passengers per car 1.55 passengers/vehiclea

Average passengers per truck 1.84 passengers/vehiclea

Total diverted auto passenger miles per year 25,004,000 passenger-miles/year

Annual diverted auto fuel consumption 89,704 MMBtu/yr

Gasoline heating value 130,000 Btu/gal - USEPA AP-42 Appendix A

Annual auto fuel consumption diverted 690,031 gallons per year

Annual auto miles diverted 15,017,079 miles per year

Bus

Intercity passenger bus energy intensitya 4,242 Btu/passenger mile

One-way distance 18.3 miles - Google Earth Pro

Total diverted bus passenger miles per year 5,941,635 passenger-miles/year

Annual diverted bus fuel consumption 25,204 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual diverted bus fuel consumption 183,974 gallons per year

Train

Intercity passenger train energy intensitya 2,435 Btu/passenger mile

One-way distance 18 miles

Total new train passenger miles per year 35,187,532 passenger-miles/year

Annual new passenger train fuel consumption 85,682 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual new passenger train fuel consumption 625,413 gallons per year

Air

Air transportation energy intensitya 2,826 Btu/passenger mile

One-way distance 18 miles - Google Earth Pro

Total diverted air passenger miles per year 747,803 passenger-miles/year

Jet fuel heating value 135,000 Btu/gala

Jet fuel density 6.60 lb/gal

Annual air fuel consumption diverted 2,113 MMBtu/yr

Annual air fuel consumption diverted 15,654 gal/yr

Annual air fuel consumption diverted 46,906 kg/yr

a

 US Department of Energy Transportation Energy Data Book: Edition 30-2011.

Emission Calculations

Additional Passenger Train Emissions Automobile Emissions Diverted Airline Emissions Diverted Bus Emissions Diverted 

Emission 

Factor[1],[4]

(g/gal)

(lb/gal) CO2

Emissions 

Added

(lb/yr)

Emissions 

Added

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[3],[4]

(g/kg) (lb/gal) 

CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Net Change

(ton/yr)

5.8 7,990 3.99 0.4272 14,130 7.07 0.7 72 0.04 0.1581 5,228 2.61 -5.72

38.1 52,485 26.24 3.3467 110,700 55.35 4.4 455 0.23 1.2706 42,027 21.01 -50.35

131 180,461 90.23 3.4469 114,013 57.01 14.1 1,458 0.73 1.2978 42,928 21.46 11.03

3.4 4,684 2.34 0.1698 5,617 2.81 0 0.0644 2,129 1.06 -1.53

3.298 4,543 2.27 0.1411 4,668 2.33 0 0.0545 1,804 0.90 -0.96

0.096 132 0.07 0.0071 235 0.12 0.4 41 0.02 0.0024 79 0.04 -0.11

22.377 13,994,876 6,997.44 17.681 11,066,946 5,533.47 21.098 330,268 165 22.377 4,116,783 2,058.39 -759.56

Note: The Chicago nonattainment area for Hydrocarbons, Nitrogen Oxides, and PM2.5 includes the Cook, DuPage, Kane and Kendall Counties.

Hydrocarbons

Pollutant

Carbon monoxide (CO)

Carbon dioxide[4] (CO2)

SO2

[5]

PM2.5

PM10

Nitrogen oxides (NOx)

[1] Except CO2, emission factors from EPA document EPA420-F-09-025; Emission Factors for Locomotives; Dated April 2009. Emission factors are projected calendar year 2015 emission 

factors for passenger/commuter locomotives (Tier 4). 

[2] Emission factors from data output from EPA Moves2010b model run for 2015. 

[3] Except CO2, emission factors from US Department of Transportation Federal Highway Administration document "Assessing the Effects of Freight Movement on Air Quality at the National 

and Regional Level; Final Report; April 2005". Emission factors are projected for 2015.

[4] CO2 Emission factors from US Department of Transportation Energy Information Administration Voluntary Reporting of Greenhouse Gases Program - Coefficients webpage. Emission 

factors are in units of lb/gal.

[5] Train SO2 emission factor calculated based on 15 ppm (weight basis) diesel fuel sulfur content: 

(15 ppm S/1,000,000) x (7.05 lb/gal) x (454 g/lb) x (2 lb SO2/lb S) = 0.096 g/gal
Chicago to Omaha Intercity Passenger Rail Service Kane County Estimate of Diverted Trips

Build Alternative Quantity Source:

Total Annual Ridership 1,922,816 AECOM updates (April 2013)

New Trips from induced growth 190,944 AECOM updates (April 2013)

Amount of Diverted Trips 1,731,872 AECOM updates (April 2013)

Auto Diverted Trips 1,366,329 Travel diverted to rail from auto

Bus Diverted Trips 324,680 Travel diverted to rail from bus

Air Diverted Trips 40,864 Travel diverted to rail from air

Auto

Auto miles one way 6.2 miles - Google Earth Pro

Nationwide % passenger cars 60.3% Percenta

Nationwide % passenger trucks 39.7% Percenta

Average passenger car energy intensity 3,538 Btu/passenger mile

Average passenger truck energy intensity 3,663 Btu/passenger mile

Average passengers per car 1.55 passengers/vehiclea

Average passengers per truck 1.84 passengers/vehiclea

Total diverted auto passenger miles per year 8,471,000 passenger-miles/year

Annual diverted auto fuel consumption 30,390 MMBtu/yr

Gasoline heating value 130,000 Btu/gal - USEPA AP-42 Appendix A

Annual auto fuel consumption diverted 233,769 gallons per year

Annual auto miles diverted 5,087,573 miles per year

Bus

Intercity passenger bus energy intensitya 4,242 Btu/passenger mile

One-way distance 6.2 miles - Google Earth Pro

Total diverted bus passenger miles per year 2,013,013 passenger-miles/year

Annual diverted bus fuel consumption 8,539 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual diverted bus fuel consumption 62,330 gallons per year

Train

Intercity passenger train energy intensitya 2,435 Btu/passenger mile

One-way distance 6 miles

Total new train passenger miles per year 11,921,459 passenger-miles/year

Annual new passenger train fuel consumption 29,029 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual new passenger train fuel consumption 211,889 gallons per year

Air

Air transportation energy intensitya 2,826 Btu/passenger mile

One-way distance 6 miles - Google Earth Pro

Total diverted air passenger miles per year 253,354 passenger-miles/year

Jet fuel heating value 135,000 Btu/gala

Jet fuel density 6.60 lb/gal

Annual air fuel consumption diverted 716 MMBtu/yr

Annual air fuel consumption diverted 5,304 gal/yr

Annual air fuel consumption diverted 15,892 kg/yr

a

 US Department of Energy Transportation Energy Data Book: Edition 30-2011.

Emission Calculations

Additional Passenger Train Emissions Automobile Emissions Diverted Airline Emissions Diverted Bus Emissions Diverted 

Emission 

Factor[1],[4]

(g/gal)

(lb/gal) CO2

Emissions 

Added

(lb/yr)

Emissions 

Added

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[3],[4]

(g/kg) (lb/gal) 

CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Net Change

(ton/yr)

5.8 2,707 1.35 0.4272 4,787 2.39 0.7 25 0.01 0.1581 1,771 0.89 -1.94

38.1 17,782 8.89 3.3467 37,503 18.75 4.4 154 0.08 1.2706 14,238 7.12 -17.06

131 61,140 30.57 3.4469 38,626 19.31 14.1 494 0.25 1.2978 14,543 7.27 3.74

3.4 1,587 0.79 0.1698 1,903 0.95 0 0.0644 721 0.36 -0.52

3.298 1,539 0.77 0.1411 1,581 0.79 0 0.0545 611 0.31 -0.33

0.096 45 0.02 0.0071 80 0.04 0.4 14 0.01 0.0024 27 0.01 -0.04

22.377 4,741,433 2,370.72 17.681 11,066,946 5,533.47 21.098 111,894 56 22.377 1,394,757 697.38 -3,916.08

Note: The Chicago nonattainment area for Hydrocarbons, Nitrogen Oxides, and PM2.5 includes the Cook, DuPage, Kane and Kendall Counties.

Hydrocarbons

Pollutant

Carbon monoxide (CO)

Carbon dioxide[4] (CO2)

SO2

[5]

PM2.5

PM10

Nitrogen oxides (NOx)

[1] Except CO2, emission factors from EPA document EPA420-F-09-025; Emission Factors for Locomotives; Dated April 2009. Emission factors are projected calendar year 2015 emission 

factors for passenger/commuter locomotives (Tier 4). 

[2] Emission factors from data output from EPA Moves2010b model run for 2015. 

[5] Train SO2 emission factor calculated based on 15 ppm (weight basis) diesel fuel sulfur content: 

(15 ppm S/1,000,000) x (7.05 lb/gal) x (454 g/lb) x (2 lb SO2/lb S) = 0.096 g/gal

[3] Except CO2, emission factors from US Department of Transportation Federal Highway Administration document "Assessing the Effects of Freight Movement on Air Quality at the National 

and Regional Level; Final Report; April 2005". Emission factors are projected for 2015.

[4] CO2 Emission factors from US Department of Transportation Energy Information Administration Voluntary Reporting of Greenhouse Gases Program - Coefficients webpage. Emission 

factors are in units of lb/gal.
Chicago to Omaha Intercity Passenger Rail Service Kendall County Estimate of Diverted Trips

Build Alternative Quantity Source:

Total Annual Ridership 1,922,816 AECOM updates (April 2013)

New Trips from induced growth 190,944 AECOM updates (April 2013)

Amount of Diverted Trips 1,731,872 AECOM updates (April 2013)

Auto Diverted Trips 1,366,329 Travel diverted to rail from auto

Bus Diverted Trips 324,680 Travel diverted to rail from bus

Air Diverted Trips 40,864 Travel diverted to rail from air

Auto

Auto miles one way 14.5 miles - Google Earth Pro

Nationwide % passenger cars 60.3% Percenta

Nationwide % passenger trucks 39.7% Percenta

Average passenger car energy intensity 3,538 Btu/passenger mile

Average passenger truck energy intensity 3,663 Btu/passenger mile

Average passengers per car 1.55 passengers/vehiclea

Average passengers per truck 1.84 passengers/vehiclea

Total diverted auto passenger miles per year 19,812,000 passenger-miles/year

Annual diverted auto fuel consumption 71,077 MMBtu/yr

Gasoline heating value 130,000 Btu/gal - USEPA AP-42 Appendix A

Annual auto fuel consumption diverted 546,746 gallons per year

Annual auto miles diverted 11,898,831 miles per year

Bus

Intercity passenger bus energy intensitya 4,242 Btu/passenger mile

One-way distance 14.5 miles - Google Earth Pro

Total diverted bus passenger miles per year 4,707,853 passenger-miles/year

Annual diverted bus fuel consumption 19,971 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual diverted bus fuel consumption 145,772 gallons per year

Train

Intercity passenger train energy intensitya 2,435 Btu/passenger mile

One-way distance 15 miles

Total new train passenger miles per year 27,880,831 passenger-miles/year

Annual new passenger train fuel consumption 67,890 MMBtu/yr

Diesel fuel heating value 137,000 Btu/gal - USEPA AP-42 Appendix A

Annual new passenger train fuel consumption 495,546 gallons per year

Air

Air transportation energy intensitya 2,826 Btu/passenger mile

One-way distance 15 miles - Google Earth Pro

Total diverted air passenger miles per year 592,522 passenger-miles/year

Jet fuel heating value 135,000 Btu/gala

Jet fuel density 6.60 lb/gal

Annual air fuel consumption diverted 1,674 MMBtu/yr

Annual air fuel consumption diverted 12,403 gal/yr

Annual air fuel consumption diverted 37,166 kg/yr

a

 US Department of Energy Transportation Energy Data Book: Edition 30-2011.

Emission Calculations

Additional Passenger Train Emissions Automobile Emissions Diverted Airline Emissions Diverted Bus Emissions Diverted 

Emission 

Factor[1],[4]

(g/gal)

(lb/gal) CO2

Emissions 

Added

(lb/yr)

Emissions 

Added

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[3],[4]

(g/kg) (lb/gal) 

CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Net Change

(ton/yr)

5.8 6,331 3.17 0.4272 11,196 5.60 0.7 57 0.03 0.1581 4,142 2.07 -4.53

38.1 41,587 20.79 3.3467 87,713 43.86 4.4 361 0.18 1.2706 33,300 16.65 -39.89

131 142,988 71.49 3.4469 90,339 45.17 14.1 1,156 0.58 1.2978 34,014 17.01 8.74

3.4 3,711 1.86 0.1698 4,451 2.23 0 0.0644 1,687 0.84 -1.21

3.298 3,600 1.80 0.1411 3,698 1.85 0 0.0545 1,430 0.71 -0.76

0.096 105 0.05 0.0071 186 0.09 0.4 33 0.02 0.0024 63 0.03 -0.09

22.377 11,088,836 5,544.42 17.681 11,066,946 5,533.47 21.098 261,688 131 22.377 3,261,932 1,630.97 -1,750.86

Note: The Chicago nonattainment area for Hydrocarbons, Nitrogen Oxides, and PM2.5 includes the Cook, DuPage, Kane and Kendall Counties.

Pollutant

Carbon monoxide (CO)

Hydrocarbons

Carbon dioxide[4] (CO2)

SO2

[5]

PM2.5

PM10

Nitrogen oxides (NOx)

[1] Except CO2, emission factors from EPA document EPA420-F-09-025; Emission Factors for Locomotives; Dated April 2009. Emission factors are projected calendar year 2015 emission 

factors for passenger/commuter locomotives (Tier 4). 

[2] Emission factors from data output from EPA Moves2010b model run for 2015. 

[5] Train SO2 emission factor calculated based on 15 ppm (weight basis) diesel fuel sulfur content: 

(15 ppm S/1,000,000) x (7.05 lb/gal) x (454 g/lb) x (2 lb SO2/lb S) = 0.096 g/gal

[3] Except CO2, emission factors from US Department of Transportation Federal Highway Administration document "Assessing the Effects of Freight Movement on Air Quality at the National 

and Regional Level; Final Report; April 2005". Emission factors are projected for 2015.

[4] CO2 Emission factors from US Department of Transportation Energy Information Administration Voluntary Reporting of Greenhouse Gases Program - Coefficients webpage. Emission 

factors are in units of lb/gal.
Emission 

Factor[1],[4]

(g/gal)

(lb/gal) CO2

Emissions 

Added

(lb/yr)

Emissions 

Added

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[3],[4]

(g/kg) 

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

Emission 

Factor[2]

(g/mile)

(lb/gal) CO2

Emissions 

Diverted

(lb/yr)

Emissions 

Diverted

(ton/yr)

5.8 218,302 109.15 0.4272 365,219 182.61 0.7 1,677 0.84 0.1581 135,129 67.56 -141.86

38.1 1,434,020 717.01 3.3467 2,861,230 1,430.62 4.4 10,544 5.27 1.2706 1,086,255 543.13 -1,262.00

131 4,930,620 2,465.31 3.4469 2,946,874 1,473.44 14.1 33,788 16.89 1.2978 1,109,551 554.78 420.20

3.4 127,970 63.99 0.1698 145,180 72.59 0.0644 55,034 27.52 -36.12

3.298 124,131 62.07 0.1411 120,644 60.32 0.0545 46,635 23.32 -21.57

0.096 3,614 1.81 0.0071 6,082 3.04 0.4 959 0.48 0.0024 2,045 1.02 -2.74

22.377 382,373,667 191,186.83 17.681 315,341,859 157,670.93 21.098 7,652,118 3,826 22.377 106,406,455 53,203.23 -23,513.38

Quantity

1,922,816 AECOM Ridership Forecast 9/17/12

190,944 AECOM Ridership Forecast 9/17/12

 1,731,900 AECOM Ridership Forecast 9/17/12

78.9% 1,366,329 Passengers diverted to rail from auto

18.7% 324,680 Passengers diverted to rail from bus

2.4% 40,864 Passengers diverted to rail from air

473 miles - Google Earth Pro

60.3% Percenta

39.7% Percenta

 3,538 Btu/passenger mile

 3,663 Btu/passenger mile

1.55 passengers/vehiclea

1.84 passengers/vehiclea

 646,273,000 passenger-miles/year

 2,318,559 MMBtu/yr

130,000 Btu/gal - USEPA AP-42 Appendix A

17,835,069 gallons per year

388,143,198 miles per year

4,242 Btu/passenger mile

473 miles - Google Earth Pro

153,573,406 passenger-miles/year

651,458 MMBtu/yr

137,000 Btu/gal - USEPA AP-42 Appendix A

4,755,171 gallons per year

2,435 Btu/passenger mile

500 miles

961,407,965 passenger-miles/year

2,341,028 MMBtu/yr

137,000 Btu/gal - USEPA AP-42 Appendix A

17,087,799 gallons per year

2,826 Btu/passenger mile

424 miles - Google Earth Pro

17,326,147 passenger-miles/year

135,000 Btu/gala

6.60 lb/gal

48,964 MMBtu/yr

362,694 gal/yr

1,086,776 kg/yr

a

 US Department of Energy Transportation Energy Data Book: Edition 30-2011.

Automobile Emissions Diverted Airline Emissions Diverted Bus Emissions Diverted 

Net Change

(ton/yr)

Build Alternative Emission Calculations - 2040

Nitrogen oxides (NOx)

Carbon monoxide (CO)

Hydrocarbons

Pollutant

Additional passenger train emissions

Carbon dioxide[4] (CO2)

SO2

[5]

PM2.5

PM10

Amount of Diverted Trips

[1] Except CO2, emission factors from EPA document EPA420-F-09-025; Emission Factors for Locomotives; Dated April 2009. Emission factors are projected calendar year 2015 emission factors for 

passenger/commuter locomotives (Tier 4). 

[5] Train SO2 emission factor calculated based on 15 ppm (weight basis) diesel fuel sulfur content: (15 ppm S/1,000,000) x (7.05 lb/gal) x (454 g/lb) x (2 lb SO2/lb S) = 0.096 g/gal

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Chicago to Omaha Intercity Passenger Rail Service - Estmate of Diverted Trips - 2040

Total Annual Ridership

New Trips from induced growth

Nationwide % passenger trucks

[2] Emission factors from data output from EPA Moves2010b model run for 2015. 

[3] Except CO2, emission factors from US Department of Transportation Federal Highway Administration document "Assessing the Effects of Freight Movement on Air Quality at the National and Regional Level; 

Final Report; April 2005". Emission factors are projected for 2015.

[4] CO2 Emission factors from US Department of Transportation Energy Information Administration Voluntary Reporting of Greenhouse Gases Program - Coefficients webpage. Emission factors are in units of 

lb/gal.

Auto

Auto miles one way

Nationwide % passenger cars

Auto Percent of Diverted Trips

Bus Percent of Diverted Trips

Air Percent of Diverted Trips

Average passenger car energy intensity

Average passenger truck energy intensity

Average passengers per car

Average passengers per truck

Total diverted auto passenger miles per year

Annual diverted auto fuel consumption

Total diverted bus passenger miles per year

Gasoline heating value

Annual auto fuel consumption diverted

Annual auto miles diverted

Bus

Intercity passenger bus energy intensitya

One-way distance

Total new train passenger miles per year

Annual diverted bus fuel consumption

Diesel fuel heating value

Annual diverted bus fuel consumption

Train

Intercity passenger train energy intensitya

One-way distance

Annual air fuel consumption diverted

Annual air fuel consumption diverted

Jet fuel heating value

Jet fuel density

Annual new passenger train fuel consumption

Diesel fuel heating value

Annual new passenger train fuel consumption

Annual air fuel consumption diverted

Air transportation energy intensitya

One-way distance

Total diverted air passenger miles per year

Air