Modular systems for vehicular refueling offer innovative solutions for both hydrogen and traditional fuels. Aboveground modular fuel stations are designed for rapid deployment, minimizing civil works and environmental impact. They feature self-bunded tanks to prevent leaks and contamination. Hydrogen refueling stations include high-pressure and cryogenic storage, enabling efficient hydrogen delivery for fuel cell vehicles. These systems are highly portable, scalable, and compatible with renewable energy sources like solar and wind. Their flexibility supports deployment in diverse locations, including remote and urban environments, ensuring accessibility and sustainability in vehicular refueling.