Major Original Equipment Manufacturers (OEMs) are making significant strides in advancing sustainable aviation technologies. Airbus leads the way by announcing a $200 million financing initiative to support Sustainable Aviation Fuel (SAF) production, demonstrating a commitment to reducing carbon emissions in the aviation sector. Engine maker Continental has also signed a sustainability pact, marking its entry into the realm of alternative power solutions for aircraft. Airbus Helicopters collaborates with Pratt & Whitney Canada (P&WC) and Collins Aerospace on the development of a hybrid H145 helicopter. The project, known as PioneerLab, aims to test-fly hybrid propulsion technology by 2027, introducing innovative advancements in rotorcraft engineering. Furthermore, Safran secures a contract to provide electrical power for Boeing's X-66 flight demonstrator, supporting NASA's program focused on exploring technology for next-generation single-aisle airliners. GKN Aerospace launches the H2Fly project, investing £44 million in a 2-megawatt cryogenic hydrogen-electric propulsion system, contributing to the industry's shift towards cleaner energy sources. Lilium expands its digital solutions portfolio with 'Power-On,' incorporating offerings from Microsoft and GE Aerospace systems to enhance operational efficiency and sustainability. Additionally, with the preliminary design completed for the SWITCH hybrid-electric powertrain, backed by RTX companies Pratt & Whitney and Collins, efforts are underway to introduce advanced propulsion systems for future aircraft models. ZeroAvia showcases its hydrogen powertrain at the Farnborough Airshow, highlighting hydrogen fuel cell systems, power electronics, and electric motors. The innovative technology attracts new applications in the aviation sector, paving the way for cleaner and more sustainable air travel in the future.