A recent study has shed light on the potential of hydrogen deployment to revolutionize the costs associated with the global energy transition. The study indicates that hydrogen, particularly 'clean hydrogen,' could play a crucial role in significantly reducing the costs of decarbonization efforts worldwide. By leveraging the Global Change Analysis Model (GCAM), researchers evaluated 24 scenarios envisioning a climate-neutral energy system by 2050. The outcomes underscored the importance of incorporating hydrogen into the energy transition strategy, especially in sectors like international shipping and aviation where substantial cost reductions could be achieved. The study's analysis suggests that embracing hydrogen could lead to a notable 15 to 22 percent decrease in decarbonization costs, offering a cost-effective pathway towards a sustainable energy future. Furthermore, the research considered various influencing factors such as socio-economic development, hydrogen availability, as well as the role of technologies like batteries, direct air capture with carbon storage (DACCS), and bioenergy with carbon capture and storage (BECCS). These findings highlight the promising role of hydrogen in driving cost efficiencies and advancing the global agenda for a climate-neutral energy landscape.