Abstract
A all modes of transportation, travel by airplanes continues to experience the fastest growth. Currently, there are approximately 500,000 air vehicles (335,000 Active General Aviation Aircraft, 18,000 Passenger Aircraft, 90,000 Military Aircraft, 27,000 Civil Helicopters, and 30,000 Military Helicopters). They are responsible for 9% of fuel consumption and 2% of all greenhouse gas (GHG) emissions worldwide. These numbers are forecasted to double by 2050. Therefore the environmental issues such as noise, emissions and fuel burn (consumption), for airplanes have become important for energy and environmental sustainability. This presentation provides an overview of energy and environmental issues related to air transportation. Topics dealing with noise and emissions mitigation by technological solutions including new aircraft and engine designs/technologies, alternative fuels, and materials as well as examination of aircraft operations logistics including Air-Traffic Management (ATM), Air-to-Air Refueling (AAR), Close Formation Flying (CFF), and tailored arrivals to minimize fuel burn are discussed. The ground infrastructure for sustainable aviation, including the concept of ‘Sustainable Green Airport Design’ is also covered.
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