Proposal to introduce new ⁰⁴ series of amendments to UN Regulation No. 154 establishing uniform provisions for approval of light-duty vehicles regarding emissions, carbon dioxide, fuel consumption, and electric energy consumption and range, adding requirements for State-of-Certified Range and State-of-Certified Energy monitors, Minimum Performance Requirements for batteries of OVC-HEV and PEV vehicles of categories M₁ and N₁, verification procedures for battery durability compliance, low temperature electric range testing, and updated On-Board Fuel Consumption Monitoring provisions, organized into three approval levels designated Level 1A, Level 1B, and Level 2, with Level 1A and Level 1B covering regional requirements not requiring mutual recognition and Level 2 containing harmonised procedures subject to full mutual recognition by all Contracting Parties.

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