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Vehicle Emission Control Information (VECI) Acronym Definitions

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  1. CARB: California Air Resource Board
  2. CARB LEV: Low Emission Vehicle
  3. CARB SULEV: Super Ultra Low Emission Vehicle
  4. CARB TLEV: Transitional Low Emission Vehicle
  5. CARB ULEV: Ultra Low Emission Vehicle
  6. CARB ZEV: Zero Emission Vehicle
  7. CI: Cylinder Injection
  8. EPA: Environmental Protection Agency
  9. EVAP: Evaporative Emissions
  10. GVW: Gross Vehicle Weight
  11. GVWR: Gross Vehicle Weight Rating, curb weight plus payload.
  12. HHDDE: Heavy Heavy Duty Diesel Engine
  13. HHDE: Heavy Heavy Duty Engine
  14. ILEV: Inherently Low Emission Vehicle
  15. LDDT: Light Duty Diesel Truck categories
  16. LDT: Light Duty Truck (gasoline) categories based on weight as defined in the table.
  17. LDV: Light Duty Vehicle, generally passenger cars and light trucks under 2,721.55 Kg (6,000 lb) GVWR.
  18. LEV: Low Emission Vehicle
  19. LEV-II: California regulations beginning in the 2004 model year.
  20. LHDE: Light Heavy Duty Engine (several weight categories).
  21. LVW: Loaded Vehicle Weight, curb weight plus 136.08 Kg (300 lb).
  22. MDPV: Medium Duty Passenger Vehicle
  23. MDT: Medium Duty Truck categories based on weight as defined in the table.
  24. MDV: Medium Duty Vehicle
  25. MHDDE: Medium Heavy Duty Diesel Engine
  26. MHDE: Medium Heavy Duty Engine
  27. MPI: Multi-Port Injection
  28. MY: Model Year
  29. NCP: Non-Compliance Penalty
  30. OBD: On Board Diagnostic
  31. ORVR: On-Board Refueling Vapor Recovery
  32. PC: Passenger Car
  33. PZEV: Partially Zero Emission Vehicle
  34. SI: Sequential Injection
  35. SULEV: Super Ultra Low Emission Vehicle
  36. Tier 0: California and Federal regulations effective prior to Tier 1 phase in dates.
  37. Tier 1: California regulations beginning in 1993 model year and Federal regulations beginning in 1994 model year.
  38. Tier 2: Federal regulations beginning in the 2004 model year.
  39. ULEV: Ultra Low Emission Vehicle
  40. ZEV: Zero Emission Vehicle