According to the Waste Oil Ordinance, we are obliged to take back the following used oils free of charge: - Oils from combustion engines - Transmission oils - Oil filters and oily waste that occurs regularly during an oil change. You can return the used oil to us in the amount that corresponds to the amount you bought from us. You can also send us the used oil and the oil-containing substances, the shipping costs incurred for this are to be borne by you. We would also like to point out that our collection point has a facility that enables us to carry out the oil change professionally and to dispose of the oily substances in accordance with the Waste Oil Ordinance. If you are a commercial end user, we would like to point out that we can use third parties to fulfill our acceptance obligation.