Operation CHARM: Car repair manuals for everyone.

Vehicle Emission Control Information (VECI) Acronym Definitions


Vehicle Emission Control Information (VECI) Acronym Definitions

- CARB: California Air Resource Board

- CARB LEV: Low Emission Vehicle

- CARB SULEV: Super Ultra Low Emission Vehicle

- CARB TLEV: Transitional Low Emission Vehicle

- CARB ULEV: Ultra Low Emission Vehicle

- CARB ZEV: Zero Emission Vehicle

- CI: Cylinder Injection

- EPA: Environmental Protection Agency

- EVAP: Evaporative Emissions

- GVW: Gross Vehicle Weight

- GVWR: Gross Vehicle Weight Rating, curb weight plus payload.

- HHDDE: Heavy Heavy Duty Diesel Engine

- HHDE: Heavy Heavy Duty Engine

- ILEV: Inherently Low Emission Vehicle

- LDDT: Light Duty Diesel Truck categories

- LDT: Light Duty Truck (gasoline) categories based on weight as defined in the table.

- LDV: Light Duty Vehicle, generally passenger cars and light trucks under 2,721.55 Kg (6,000 lb) GVWR.

- LEV: Low Emission Vehicle

- LEV-II: California regulations beginning in the 2004 model year.

- LHDE: Light Heavy Duty Engine (several weight categories).

- LVW: Loaded Vehicle Weight, curb weight plus 136.08 Kg (300 lb).

- MDPV: Medium Duty Passenger Vehicle

- MDT: Medium Duty Truck categories based on weight as defined in the table.

- MDV: Medium Duty Vehicle

- MHDDE: Medium Heavy Duty Diesel Engine

- MHDE: Medium Heavy Duty Engine

- MPI: Multi-Port Injection

- MY: Model Year

- NCP: Non-Compliance Penalty

- OBD: On Board Diagnostic

- ORVR: On-Board Refueling Vapor Recovery

- PC: Passenger Car

- PZEV: Partially Zero Emission Vehicle

- SI: Sequential Injection

- SULEV: Super Ultra Low Emission Vehicle

- Tier 0: California and Federal regulations effective prior to Tier 1 phase in dates.

- Tier 1: California regulations beginning in 1993 model year and Federal regulations beginning in 1994 model year.

- Tier 2: Federal regulations beginning in the 2004 model year.

- ULEV: Ultra Low Emission Vehicle

- ZEV: Zero Emission Vehicle