Joby Aviation, a US-based electric vertical take-off and landing (eVTOL) air taxi company, recently achieved a significant milestone by successfully completing a 523-mile test flight with its hydrogen-electric demonstrator air taxi. The flight, which took place in Marina, California, marked the first forward flight of a VTOL aircraft utilizing liquid hydrogen as its fuel source. The aircraft, originally a battery-electric eVTOL design, was converted to a fuel cell power system powered by a 40 kg liquid hydrogen fuel tank. With zero emissions other than water vapour, this test flight showcased the potential of hydrogen as a clean energy solution for the aviation industry. Joby's acquisition of hydrogen-electric flight company H2FLY in 2021 paved the way for the development of this cutting-edge technology demonstrator aircraft. The company envisions its hydrogen-electric aircraft operating regionally to complement its battery-electric urban flight operations, offering a cleaner and more sustainable travel option for passengers. Joby's founder and CEO, JoeBen Bevirt, emphasized the importance of cleaner air travel and highlighted the progress made towards certifying both battery-electric and hydrogen-electric versions of their aircraft. The successful test flight demonstrates Joby's commitment to advancing sustainable aviation solutions and sets the stage for a future where regional travel with hydrogen-electric aircraft becomes a reality. The seamless integration of hydrogen technology into Joby's existing operations and the company's strategic acquisitions further reinforce its position as an innovative leader in the electric aviation industry. Joby's vision for a cleaner, more efficient air travel experience aligns with the growing demand for sustainable transportation solutions in the modern world.