Smart communities/ Sustainable mobility. 5,500. 1,890.5. 1,555,811. 109.9. Low. High. Promotion of energy efficiency in homes, industry and commerce. Mitigation. Sustainable Energy Transition. 4,608. 786.94. 1,899.3. Low. Low. Refrigeration and Air Conditioning (RAC). Mitigation. Sustainable Energy Transition. 2,700. 3.2. 3,874.2. Medium. High. Nationally determined contribution policy actions. Climate Objective.