The details of Ricardo EMLEG |
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EMLEG (Emissions Legislation) is a comprehensive summary of worldwide exhaust emissions regulations provided by Ricardo. |
Emissions & CO2
Worldwide gas emissions and fuel consumption regulations (provided by: Ricardo Emleg)
WLTP (Worldwide Harmonized Light vehicles Test Procedures) |
Worldwide Emission & Fuel Economy/CO2 Regulation Timeline (Passenger Cars & Light Duty Trucks) |
Latest Update
Date | Regulation | Region | Updated Summaries |
22 March 2022 | Emission Standards | Korea | Time limit to be placed in the market, for existing vehicles (gasoline and gas-engined) certified to the earlier standards, is specified. |
14 March 2022 | Emission Standards | EU | In January 2022, EU Court of Justice issued its judgement on the provisions whch introduces NOX CF to RDE test results. |
3 March 2022 | Fuel Economy/CO2 | USA (Federal) | The GHG emission standards, finalised in December 2012, added. SEFA rule repealed. California continues its own policy. |
11 January 2022 | Emission Standards | USA (Federal) | In-use verification testing is added to Tier 3 OBD. |
15 November 2021 | Fuel Economy/CO2 | USA (Federal) | The amendments for MY 2023 – 2026, proposed in August 2021, are added. |
29 October 2021 | Fuel Economy/CO2 | USA (Federal) | 1. Information on future standards added. 2. Minor changes about detailed aspects and accuracy improvement of tests. 3. CO2 standard for tractor and vocational engines mitigate for MY 2024~2026. |
28 September 2021 | Fuel Economy/CO2 | EU | Minor changes with regard to special purpose vehicles (vocational vehicles) are added. |
15 September 2021 | Emission Standards | Brazil | The due date for PROCONVE L8 is added. Details of Evaporative and re-fuelling emissions testing are added. Details of RDE tests are added. |
15 July 2021 | Fuel Economy/CO2 | China | In Phase 5, vehicle-type-individual limit values (FCL) are added. |
15 June 2021 | Fuel Economy/CO2 | EU | Future changes about determination of Post-2025 target setting for passcars and LCVs are added. |
2 June 2021 | Fuel Economy/CO2 | India | Fuel economy stantadrds for medium duty vehicles are added. The development status of simulation tool and correction factors is added, for heavy duty vehicles. |
25 May 2021 | Fuel Economy/CO2 | USA (Federal) | 1 EPA published a Notice of Reconsideration in relation to CAA Wavier which were finalized in September 2019, and also plans to issue a separate new proposal for SAFE-2 rule. 2 EPA published a rule on alternative GHG standards for small volume manufacturers, and issued weighting factor for the standard for FFV. |
24 May 2021 | Fuel Economy/CO2 | USA (California State) | EPA published a Notice of Reconsideration in relation to CAA Wavier which were finalized in September 2019, and seeking comments on the topics. |
27 April 2021 | WLTP | Worldwide | The GTR 15 (WLTP) reflecting amendment 6 [17] [18] was globally registered on 18 January 2021. |
26 April 2021 | Fuel Economy/CO2 | EU | Monitoring, collection and reporting requirements of real-world fuel and/or energy consumption for passenger cars and LCVs are added. |