Research Article
Ranking Renewable and Fossil Fuels on Global Warming Potential Using Respiratory Quotient Concept
Table 5
Nasal gas analysis, adopted from Kimball, 2013 [
34].
| Composition of ambient air and expired air in a normal human (table modified to present dry basis values; assumed CO2 at inlet = 0) | Component | Atmospheric air (%) | Expired air (%) |
| N2 (plus inert gases) | 79.05 | 79.85 | O2 | 20.95 | 16.31 | CO2 | 0.0 | 3.84 | H2O | 0.0 | ā |
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