Furthermore, suppliers also have a key role to play in the Group’s commitments on reducing hazardous substances, in two main areas: firstly, the elimination of four heavy metals (lead, mercury, cadmium and hexavalent chromium), and secondly, compliance with REACH regulations based on the recommendations issued by ACEA, of which the Group has been a member (see Chapter  pp regarding CO2 emissions linked to the Group’s purchases (scope 3) from its suppliers, the Purchasing Department encourages suppliers to draw up an emissions reduction plan.