Alternative Fuels as a Means to Reduce PM2.5 Emissions at Airports (2012) / Chapter Skim
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From page 25... ...
Airport Cooperative Research Program Project ACRP 02-23: Alternative Fuels as a Means to Reduce PM2.5 Emissions at Airports 24 CHAPTER 4: CASE STUDY ALTERNATIVE FUELS This chapter discusses the methodology used to select the alternative fuels for the scenarios discussed in Chapters 5 and 6 and in Appendices D and E The alternative fuels were selected using a multi-criterion screening process, heavily weighted toward the fuel's potential to reduce PM2.5 • Aircraft (main engines, excluding piston-engine aircraft)
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From page 26... ...
Airport Cooperative Research Program Project ACRP 02-23: Alternative Fuels as a Means to Reduce PM2.5 Emissions at Airports 25 analysis assumed zero emissions and, therefore, equivalent in terms of particulate matter to electricity) , methanol (for which the analysis assumed zero emissions and, therefore, equivalent in terms of particulate matter to electricity, although in theory there are likely to be some volatile emissions)
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From page 27... ...
Airport Cooperative Research Program Project ACRP 02-23: Alternative Fuels as a Means to Reduce PM2.5 Emissions at Airports 26 were based on expert knowledge and professional judgment, with the exception of "Change in PM2.5 Emissions" and "Cost of fuel relative to conventional." "Change in PM2.5 Table 4 – Alte rna tive Fuels Matrix – Crite ria and Defin itions Emissions" data are based on the literature review (Chapter 2 and Appendix A) and specific sources are cited in the text in this Chapter.
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From page 28... ...
Airport Cooperative Research Program Project ACRP 02-23: Alternative Fuels as a Means to Reduce PM2.5 Emissions at Airports 27 Criterion Definition Rating Cost of vehicles compared with conventional (H, M, L) This is the marginal increase in vehicle cost compared with the dominant existing vehicle type.
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From page 29... ...
Airport Cooperative Research Program Project ACRP 02-23: Alternative Fuels as a Means to Reduce PM2.5 Emissions at Airports 28 Table 5 – In itia l Fue l and Source Combina tions Fuel and source FT (natural gas) aircraft FT (coal)
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From page 30... ...
Airport Cooperative Research Program Project ACRP 02-23: Alternative Fuels as a Means to Reduce PM2.5 Emissions at Airports 29 Table 6 lists the final alternative fuels and sources referred to in Chapters 5 and 6. Tab le 6 – Fina l Fue l and Source Combin a tions Fuel and Source FT (natural gas)
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