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Regulations

China Stage 4 Fuel Consumption Standard for Light Commercial Vehicles

Based on the ICCT Policy Update, October 2024

Timing

  • Jan 1, 2026, for new type-approvals
  • Feb 1, 2028, for all new vehicles
  • CAFC phases in from 2026 to 2030
 

Changes from Stage 3 to Stage 4

  • Test cycle changes from NEDC à WLTC
  • Now includes NEVs and vehicles powered by gas/alcohol
  • Compliance flexibilities
  • Off-cycle credits
  • NEV multipliers (phased out after 2030): 1.4 for BEV, PHEV, FCEV, and 1.2 for “energy-saving vehicle”
  • Vehicle classes updated :
  • Weight-based linear regression for determining fuel consumption limits instead of the prior weight-class basis – This will potentially prevent the loophole of lenient requirements by slightly increasing vehicle weight
  • Reference weight switched from curb mass to test mass (Test mass = Ref. mass + Optional equipment + representative vehicle load)
 

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