Ranking Renewable and Fossil Fuels on Global Warming Potential Using Respiratory Quotient Concept

<table class="fixed-width table-group" id="tab5"><tr><td><table class="table"><colgroup><col style="width:9.08em"/><col style="width:10.19em"/><col style="width:10.19em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="3">Composition of ambient air and expired air in a normal human (table modified to present dry basis values; assumed CO<sub>2</sub> at inlet = 0)</td></tr><tr class="thead"><td class="align_left">Component</td><td class="align_center">Atmospheric air (%)</td><td class="align_center">Expired air (%)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">N<sub>2</sub> (plus inert gases)</td><td class="align_center">79.05</td><td class="align_center">79.85</td></tr><tr><td class="align_left">O<sub>2</sub></td><td class="align_center">20.95</td><td class="align_center">16.31</td></tr><tr><td class="align_left">CO<sub>2</sub></td><td class="align_center">0.0</td><td class="align_center">3.84</td></tr><tr><td class="align_left">H<sub>2</sub>O</td><td class="align_center">0.0</td><td class="align_center"> </td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Nasal gas analysis, adopted from Kimball, 2013 [<a href="/journals/jc/2018/1270708/#B34" target="_blank">34</a>].</div>

Journal of Combustion

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Table 5

Table 5: Ranking Renewable and Fossil Fuels on Global Warming Potential Using Respiratory Quotient Concept 