The green mark "S" indicates a "greener and safer vehicle" in accordance with the Conference of European Ministers of Transport (CEMT) is another step in reducing the impact of truck operation on the environment, while simultaneously increasing the safety of road freight transport. In order for a vehicle to carry the "S" label, it must simultaneously meet the requirements for reduced noise and compliance with Euro II emission standards.
Among other things, there were requirements for side barriers against underrunning (UNECE R73), determination of the minimum tire sample depth (2 mm according to UNECE R54), equipment with appropriate mirrors, tachograph, speed limiter, ABS system or reflective signs according to UNECE R70.
International regulations set the diameter of the sticker at 220 mm, while the diameter of the green circle is set at 200 mm.
A sticker with a diameter of 150 mm is allowed to be placed on the vehicle if, due to insufficient space, it is not possible to use a sticker with a diameter of 220 mm.
