35 Online retail store services, retail store services, online wholesale store services, wholesale store services in the field of fuel cells, utilities, energy and water supply, electricity, gas, water, solar energy, lubricants, oils and fats, fuels, biofuels, fuel converters, and illuminants; business intermediary services relating to the matching of potential private investors with entrepreneurs needing funding in the field of fuel cells, utilities, energy and water supply, electricity, gas, water, solar energy, lubricants, oils and fats, fuels, biofuels, fuel converters, and illuminants; business consulting with regard to the purchase of fuel cells, electricity, fuels, biofuels, fuel converters, energy, gas, electricity, water and solar energy; advisory, information and consultancy relating to energy management and energy efficiency; business project management services in the field of fuel cells and hydrogen energy systems; advisory, information and consultancy relating to energy management and energy efficiency