Annex: Methodology to determine the CO2 savings of a 12 V efficient alternator in passenger cars and light commercial vehicles with internal combustion engine powertrain (fulfilling the conditions specified in Article 1 by reference to the Worldwide Harmonized Light Vehicle Test Procedure) - Commission Implementing Decision (EU) 2020/174 of 6 February 2020 on the approval of the technology used in 12 Volt efficient alternators for use in certain passenger cars and light commercial vehicles as an innovative technology pursuant to Regulation (EU) 2019/631 of the European Parliament and of the Council (Text with EEA relevance)