4
Natural gas, Biogas and biomethane used as a fuel; Vaporised fuel mixtures; Carburants; Fuel; Gas fuel, In particular biogas and Biomethane
35
Business management relating to energy, and in particular to natural gas, biogas and biomethane; Business consultancy, information or enquiries in connection with municipalities in the field of renewable energy; Business management assistance and business management and organisation consultancy in the field of environmental protection, renewable energy and sustainable development; Efficiency experts in the field of environmental protection, new energies and sustainable development; Operation (business management) of waste anaerobic digestion plants; Operation (business management) of service stations and in particular stations for preparation and distribution of natural gas, biogas and biomethane used as a fuel; Efficiency experts in the field of the management of vehicle fleets, the energy consumption thereof and greenhouse gas emissions from the perspective of sustainable development; Professional business consultancy relating to the management of vehicle fleets; Cost price analysis, In particular for the optimisation of the management of vehicle fleets; Economic forecasting, in particular relating to energy consumption and maintenance and replacement cost for vehicle fleets
37
Consultancy relating to the construction of installations for treating and purifying water, installations for treating waste and other municipal equipment; Construction of structures for the production of biogas and biomethane; Maintenance, upkeep and repair of installations for treating and purifying water and installations for treating waste; Maintenance, upkeep and repair of structures for the production of biogas and biomethane; Maintenance, upkeep and repair of motor vehicle fleets
39
Transport, distribution and storage of natural gas, biogas and biomethane; Supply of gas (distribution); Collection and transport of organic household waste and the like; Transport and storage of trash; Collection of urban or industrial waste water and mud
40
Water and sewage treatment services; Processing, recycling and treatment of waste materials; Sorting of waste and recyclable material [transformation]; Energy and biological recovery of waste; Anaerobic digestion of waste; Recycling and reclamation of waste; Production of natural gas, biogas and biomethane (anaerobic digestion); Treatment of natural gas and biogas
42
Technical design and planning of water purification stations; Surveying in the field of the treatment of water and effluent; Laboratory research in the fields of the treatment and recycling of organic waste, household waste, mud, ash and the reclamation of organic waste; Surveying in the field of the treatment and recycling of organic waste, mud and ash from urban plants; Design (engineering) of structures for the production and reclamation of biogas; Engineering of service stations and in particular stations for the preparation and distribution of natural gas, biogas and biomethane used as fuel