Translate the following English sentence to French:
"However, bearing in mind that another six issues relating to the capacities and conditions of the vehicles have been accepted, we felt that we could not prolong the conciliation process any longer, particularly considering that we want this study on the reduction of carbon dioxide emissions from new passenger cars to be implemented immediately in each of the countries."
Surtout si nous prenons en considération que ce qui nous intéresse est la mise en uvre immédiate, dans chacun des pays, de l'étude sur la réduction des émissions de CO2 des véhicules particuliers neufs.