Proposal to increase the potential speed reduction during the collision warning phase and clarify the interpretation of “engine start/run cycle”.
Proposal to align provisions with corresponding provisions of UN R152 and to clarify the interpretation of the provisions on system robustness when applied to heavy duty vehicles.
Study on the durability of replacement catalytic converters.
Proposal to align the tyre-selection criteria in the CO2 emissions/fuel consumption tests under UN R101 with those for pollutant emissions (UN R83).
Proposal to correct the unit of the road load coefficient b used in the formula for the calculation of the resistance to progress force.