Providing temporary use of non-downloadable cloud-based software for fleet management, services in the field of vehicle fleets, energy usage management, charging of electric vehicles, fueling of vehicles, fueling of hydrogen gas for vehicles; public utility services, billing, it integration services and off grid power services, back-up power, managing subscriptions and services, namely, vehicle charging and fueling, billing, and parking. Developing infrastructure, including financing, equipment purchasing, land purchasing, and installing electric vehicle chargers and fueling for hydrogen-powered vehicles, as well as energy generation and infrastructure. It also includes software to facilitate fleet management, charging management, and energy management, including optimizing vehicle charging, energy prices, and managing energy resources related to fleets