VECI Acronym Definitions
VECI ACRONYM DEFINITIONSALVW: Adjusted Loaded Vehicle Weight, curb weight plus GVWR divided by 2.
CARB: California Air Resource Board
CARB LEV: Low Emission Vehicle
CARB TLEV: Transitional Low Emission Vehicle
CARB ULEV: Ultra Low Emission Vehicle
CARB ZEV: Zero Emission Vehicle
EPA: Environmental Protection Agency
EVAP: Evaporative Emissions
GVW: Gross Vehicle Weight
GVWR: Gross Vehicle Weight Rating, curb weight plus payload.
LDV: Light Duty Vehicle, generally passenger cars and light trucks under 6,000 pounds GVWR.
LVW: Loaded Vehicle Weight, curb weight plus 300 pounds.
MY: Model Year
OBD: On Board Diagnostic
ORVR: On-Board Refueling Vapor Recovery
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 with 1993 model year and Federal regulations beginning with 1994 model year.
LEV: Low Emission Vehicle
ZEV: Zero Emission Vehicle
PZEV: Partial Zero Emission Vehicle
ULEV: Ultra Low Emission Vehicle
ILEV: Inherently Low Emission Vehicle