Table 4 Assumed change of in-flight emissions and emission-related effects for Sustainable Aviation Fuel (SAF) and hydrogen
Fuel | CO2 | NOx | H2O | Contrails | Total |
|---|---|---|---|---|---|
SAF | −65 − 80% | −0% | −0% | −10 − 40% | −30 − 60% |
Hydrogen combustion | −100% | −50 − 80% | + 150% | −30 − 50% | −50 − 75% |
Hydrogen fuel cell | −100% | −100% | + 150% | −60 − 80% | −75 − 90% |
