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Handbook for Evaluating Emissions and Costs of APUs and Alternative Systems (2012) / Chapter Skim
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Pages 64-68

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From page 64...
... 64 C h a p t e r 4 Beyond the calculated emissions and costs, there are various qualitative issues that need to be addressed to allow proper assessment of alternative systems. For example, implementation of an alternative system could result in emissions reductions compared to the use of APUs, but if adoption of the alternative system by the airlines is uncertain or if funding is uncertain, the environmental benefits of the alternative systems may be outweighed by other factors.
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From page 65...
... Qualitative evaluations 65 An often overlooked item that should be considered when evaluating different alternative ground power/PCA systems is the installation location of the PCA and ground power equipment mounted on the PBB. The GSE industry manufacturers have designed equipment to be mounted at various locations on or near the PBB.
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From page 66...
... 66 handbook for evaluating emissions and Costs of apUs and alternative Systems Although POU system components may have shorter life spans, they still provide the convenience of modularity when either upgrading or replacing older equipment. Individual units can be modified without affecting the other units.
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From page 67...
... Qualitative evaluations 67 system with noticeably lower capital cost is selected, the difference (the money saved) in capital cost between the POU system and a central system can be grown through some investment options to help offset future growth in utility costs.
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From page 68...
... 68 handbook for evaluating emissions and Costs of apUs and alternative Systems gas inventories based on the airport community as a whole (i.e., "airport sources" include sources owned by the airport, tenants, and the public)
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