... continue to grow despite future improvements in engine and airframe technologies and aircraft operations (IPCC, 1999; Greene,3 Historical and Future Trends in Aircraft Performance, Cost, and Emissions byJoosung ... 37Chapter 3 Historical Trends in Aircraft Performance and Cost3.1 Introduction In this chapter, overall historical trends in aircraft performance and cost are examined, and theirdriving factors ... discussed.Chapter 3 examines historical trends in aircraft performance and cost. It first describes thedata used and then discusses historical trends and drivers in aircraft fuel consumption, DOC, and prices.Chapter...