环保法规 (仅供英语)

Emissions & CO2 covers regulatory developments in emissions and fuel economy/CO2 regulations in the EU (European Union), the U.S. (federal and California), China, and India.

Since October 2026, Emissions & CO2 have been updated based on MarkLines' own research.

WLTP (Worldwide harmonized Light vehicles Test Procedure)

Emissions Regulations	EU (European Union)	Passenger Cars and Light Commercial Vehicles - Euro 6
		Passenger Cars and Light Commercial Vehicles - Euro 7
		EU Vehicle Categories
	USA	U.S. Federal Passenger Cars and Light-Duty Trucks
	USA	California Passenger Cars and Light-Duty Trucks
	China	Passenger Cars and Light Commercial Vehicles
	India	Passenger Cars and Light Commercial Vehicles
Fuel Economy/CO2	EU (European Union)	General
	USA	U.S. Federal General
	USA	California General
	China	General
	India	General

Latest Update

Date	Regulation	Region	Updated Summaries
November 4, 2026	Emissions Regulations	EU	Addendum to Regulation (EU) 2026/1791, which amends the end date and technical requirements of Euro 6. Table 2 has been updated to reflect the amendments to Regulation (EU) 2026/1791.
November 4, 2026	Emissions Regulations	EU	Added Implementing Regulation (EU) 2026/1762 and Delegated Regulation (EU) 2026/1753.
November 4, 2026	WLTP		Addition of activity results from Phase 2 onward Addition of “Regulatory Trends for 2025 and Beyond”
November 4, 2026	Vehicle Categories	EU	The "Type Approval System" section has been updated to include Euro 7, Delegated Regulations (EU) 2026/1188 and 2026/1753, and the integrated version of Regulation (EU) No. 168/2013 as of August 2, 2026.
November 4, 2026	Fuel Economy/CO2	California	Latest positioning of ACC II, Drive Forward, 2026 congressional developments regarding the 2009 GHG waiver, and the 2026 amendments to the ACF/LCFS.
November 4, 2026	Fuel Economy/CO2	China	Passenger cars: Phase 5 fuel consumption regulations revised to Phase 6 fuel consumption regulations. Table 2 has been changed to a comparison between Phase 5 and Phase 6.
November 4, 2026	Fuel Economy/CO2	India	Added information on CAFE 2027 Draft Notification (July 16, 2026), CAFE 3 revised Draft, proposed future fuel efficiency standards for HDVs, MDVs, and LDVs, and BEE's current fuel efficiency standards as of August 2026.
October 29, 2026	Fuel Economy/CO2	U.S. Federal	Added the publication of the EPA’s Final Rule titled “Final Rule: Rescission of the Greenhouse Gas Endangerment Finding and Motor Vehicle Greenhouse Gas Emission Standards Under the Clean Air Act” (91 FR 7686).
October 29, 2026	Fuel Economy/CO2	EU	Added information on 2026 heavy-duty vehicle credits, reporting and disclosure requirements, real-world driving data collection, OBFCM type approval, revisions to light-duty vehicle testing, and the effective date for Euro 7.
October 29, 2026	Emissions Regulations	U.S. Federal	Distinguish between the proposal to abolish GHG standards and the proposal to postpone Tier 4 requirements, and correct the date for the postponement proposal.
October 29, 2026	Emissions Regulations	California	Added information on 2026 certification guidance, the process for re-adopting and making alternative rules permanent, the recission of the federal GHG rules, and the status of the "Drive Forward" initiative [15]. Distinguishes between the provisions adopted in ACC II and the status of their implementation and enforcement.
October 29, 2026	Emissions Regulations	China	Reflects the revisions to the NMHC values in Table 2 and the requirements for methanol-fueled vehicles. Implementation information for HJ 1477—2026 has been added.
October 29, 2026	Emissions Regulations	India	The 2027 WLTP application for M1/M2 and AIS-175 have been added, and the application date for N1 has been distinguished from the draft information.
October 8, 2026	Emissions Regulations	California	2025: Added information on the conflict with the federal government and the state's reaffirmation measures
October 8, 2026	Emissions Regulations	U.S. Federal	Tier 4 Review: Proposal to postpone by two years (effective 2029 Model Year)
October 7, 2026	Fuel Economy/CO2	U.S. Federal	Reflects the SAFE Vehicles Rule III Final Rule. Added information on revisions to the CAFE standards, the treatment of PHEVs, the phased elimination of the inter-manufacturer credit system, revisions to the Part 523 vehicle classification, and the introduction of the LDWF.
October 7, 2026	Fuel Economy/CO2	India	Addendum to the Summary of AIS-149 Amendment No. 1 Reference document [1] BEE, Office Memorandum revision
October 6, 2026	Fuel Economy/CO2	China	Addition of CAFC + NEV credit factor

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