In the arcane world of airline technical services purchasing, the dynamics are changing along with the economics of the industry.

Two years after it announced an intention to acquire AirTran Airways, Southwest Airlines remains on track to integrate the smaller carrier into its system by 2015. Dallas-headquartered Southwest closed on the AirTran purchase in May 2011 and was granted a single operating certificate for the two airlines in March.

Materials advancements promise next-gen engine energy efficiency