In short, the coherence of the legislative and policy framework with the objective of climate neutrality by 2050 must be ensured. Next, the guidelines and the main areas of action and strategic measures to guide the transformation in all the sectors concerned are presented (A selection of the levers and instruments described in the strategy is mentioned in parentheses.):Towards climate neutrality in 2050 7 / 97 1. Energy system 1. The principle of the primacy of energy efficiency (reduction of energy consumption, mechanism of energy efficiency obligations) 2. Maximum deployment of renewable energies (solar and wind energy, European cooperation) and the potential role of renewable hydrogen (hydrogen strategy, decarbonisation of hard to electrify activities) 3.