Ian Waitz Department of Aeronautics and ... - SERDP-ESTCP

Recommendations

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Revisiting increased engine certification stringency for NO x   For an illustrative sample case; impacts of U.S. ops only! Percent Change 8% 6% 4% 2% 0% -2% -4% -6% -8% Number of people impacted! NOISE ~4% detriment! AIR QUALITY! LAQ Policy 1 = 6.5% in 2012 Policy 2= 6.5% in 2016 Policy 3 = 18% in 2012 Policy 4 = 18% in 2016 Health incidences! Temperature change! ~6% improvement! CLIMATE ~0.6% detriment! BETTER! WORSE! 22!
Revisiting increased engine certification stringency for NO x   For an illustrative sample case; note that results are very sensitive to climate, manufacturing cost, and fuel penalty assumptions; impacts of U.S. ops only! 2005 US$ x 10 9 2005 US$ x 10 9 50 40 30 20 10 0 -10 Policy 1 = 6.5% in 2012 Policy 2= 6.5% in 2016 Policy 3 = 18% in 2012 Policy 4 = 18% in 2016 NOISE AIR QUALITY! LAQ CLIMATE CONSUMER SURPLUS PRODUCER SURPLUS NET IMPACT BETTER! WORSE! WORSE BETTER 23!
Page 1 and 2: Partnership for AiR Transportation
Page 3 and 4: Focus of discussion! • Choices ex
Page 5 and 6: Alternative fuels: importance of li
Page 7 and 8: Some environmental effects of NOx r
Page 9 and 10: Environmental Tool Suite! Environme
Page 11 and 12: Variation in air quality (movie of
Page 13 and 14: Apportionment of AQ impacts  (US-
Page 15 and 16: Surface air quality! • Aviation c
Page 17 and 18: Radiative forcing from aviation 
Page 19 and 20: Aviation climate impacts (30 years
Page 21: Putting it all together is a challe
Page 25 and 26: Status of our work! • FAA has mad

Ian Waitz Department of Aeronautics and ... - SERDP-ESTCP

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