In particular, the Group is committed to implementing a strict sustainable development policy with the following aims: pp make every effort to use the least polluting transport methods available, in line with the most stringent environmental standards; pp prioritise alternatives to road transport; pp comply, and ensure its subcontractors comply with all legislation and regulations in force in the country in question, specifically that all heavy goods vehicles used in the European Union will meet the Euro will meet Euro 5 as a minimum requirement.