40 Energy production services, namely, production of electricity, heat, and biofuel, from renewable sources comprising photovoltaic solar energy, wind energy, biogas, and biomass; energy production, namely, production of electricity, heat, and biofuel through solar photovoltaic installations, wind energy installations, waste methanisation installations being biogas installations, and wood resource combustion installations being biomass; natural gas processing services; purification and filtration of gases; processing of hazardous gases and dry gases; gas production services; gas compression services; Chemical treatment of exhaust gases from the combustion of fossil fuels; environmental remediation services, namely, soil, waste and water treatment services; waste recovery services, namely recycling of waste; processing services, namely, waste treatment and recycling services; toxic waste treatment and recycling services; hazardous waste treatment and recycling services; industrial effluent and industrial waste treatment and recycling services; services for the recovery of materials contained in waste, namely, recycling of waste; water pollution control services, namely, waste water treatment; providing information and advice services with respect to energy production, namely, in the field of production of electricity, heat, and biofuel, from renewable resources comprising photovoltaic solar energy, wind energy, biogas, and biomass; rental of gas production machinery and gas filtering machinery; rental of machinery for the odorisation of natural gas, biomethane or any other gas, including air, carbon dioxide, nitrogen, and dihydrogen; rental of machinery for the production of biomethane and biofuel in the nature of bioNGV from biogas or synthetic gas of renewable origin; rental of apparatus and instruments for the production, treatment and conditioning of gas and biogas; rental of apparatus and instruments for the production and conditioning of heat from renewable sources in the nature of biogas, biomass, biofuels, photovoltaic solar energy, and wind energy; rental of heat recovery units, heat accumulators, heat generators, and heat pumps for energy processing; rental of combustion installations for biofuels; rental of wood combustion installations; rental of gas scrubbers being parts of gas plants; rental of gas cooling installations; rental of gas scrubbers and purifiers, gas heat generators, gas drying devices, gas purification separators, gas cleaning separators, flue gas cleaning devices, and gas for domestic and industrial installations; rental of pressure regulators for gas installations; rental of washing columns for gas purification, waste purification equipment, heating appliances for waste treatment, and appliances and instruments for drying and purifying biogas