VECI Acronym Definitions

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 Emission

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.

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