In recent aviation news, American Airlines sealed a deal with ZeroAvia to acquire 100 hydrogen-electric engines for regional routes, aligning with a goal of achieving net-zero greenhouse gas emissions by 2050. Meanwhile, Alaska Airlines, a subsidiary of Alaska Air Group, announced new daily nonstop flights from Los Angeles to popular Mexican destinations, La Paz and Monterrey. This strategic move is anticipated to drive higher traffic and revenue for the airline. On the performance front, Ryanair saw a surge in passenger numbers in June, marking an 11% year-over-year increase and reaching a load factor of 95%. In contrast, Southwest Airlines faced pressure from activist investor Elliott Investment Management, leading the company to implement a shareholder rights plan to prevent a change in leadership. The article also highlighted the fluctuating stock prices of major airline players over the past week, with the NYSE ARCA Airline Index remaining steady. As the summer travel demand is projected to escalate, airlines are expected to ramp up their capacity to meet the surge in travelers. Overall, the aviation sector is witnessing a mix of developments, from environmental initiatives like adopting hydrogen-electric engines to strategic route expansions and investor engagement through shareholder rights plans. The industry's resilience and adaptability in navigating through challenges and opportunities underscore the dynamic nature of the airline market.