The offshore energy industry is undergoing a significant transformation towards low-carbon and sustainable practices, with a focus on reducing emissions in offshore drilling operations. While diesel has been the primary fuel source for drilling rigs, industry players are now exploring alternative options to meet sustainability goals. LNG is currently a favored choice for many rig owners to cut emissions, but other contenders like hydrogen, methanol, and biofuels are also gaining attention. Efforts are being made to optimize energy efficiency through various measures such as heat recovery systems and digitalization. The International Petroleum Industry Environmental Conservation Association (IPIECA) has highlighted key tools and equipment to enhance energy efficiency, including heave compensation systems and energy storage systems. Discussions around future fuel sources for drilling rigs have also led to a focus on options like green methanol and biofuels. A recent poll by Offshore Energy revealed industry professionals' preferences, with LNG being the top choice for future rig fuel, followed by biofuels. Moreover, companies like Shell are investing in hydrogen research projects to reduce greenhouse gas emissions in offshore operations, reflecting a positive shift towards decarbonization. Industry leaders such as Transocean and Saipem are actively working on reducing their carbon footprint by evaluating alternative energy sources and incorporating renewable fuels into their operations. This collective effort signifies a significant transition towards greener and more sustainable practices in the offshore drilling sector.