The following definitions apply to the administration of this chapter. Any term that is not defined in this section shall be as defined or described in the California Code of Regulations, Title 13, section 1900. Definitions in the California Code of Regulations, Title 13, section 1900 will prevail if any discrepancy arises between them and those set forth in this section.

(1) "Emission credits" are earned when a manufacturer's reported fleet average is less than the required fleet average. Credits are calculated according to formulas contained in the California Code of Regulations, Title 13, section 1961(c), 1961.1(b), 1961.2(c), and 1961.3(b), as appropriate.

(2) "Emission debits" are earned when a manufacturer's reported fleet average exceeds the required fleet average. Debits are calculated according to formulas contained in the California Code of Regulations, Title 13, section 1961(c), 1961.1(b), 1961.2(c), and 1961.3(b), as appropriate.

(3) "Fleet average greenhouse gas emission requirements" are generally referred to as limitations on greenhouse gas exhaust mass emission values from passenger cars, light-duty trucks and medium-duty passenger vehicles. The fleet average greenhouse gas emission requirements are set forth in CCR, Title 13, section 1961.1 and 1961.3, and incorporated herein by reference.

(4) "Gross vehicle weight rating" or "GVWR" is the value specified by the manufacturer as the maximum design loaded weight of a single vehicle.

(5) "Independent low volume manufacturer" is defined in the California Code of Regulations, Title 13, section 1900 and incorporated herein by reference.

(6) "Intermediate volume manufacturer" is defined in the California Code of Regulations, Title 13, section 1900 and incorporated herein by reference.

(7) "Large volume manufacturer" is defined in the California Code of Regulations, Title 13, section 1900 and incorporated herein by reference.

(8) "Light duty truck" is any 2000 and subsequent model motor vehicle certified to the standards in Title 13, CCR, section 1961 (a)(1) rated at 8,500 pounds gross vehicle weight or less, and any other motor vehicle rated at 6,000 pounds gross vehicle weight or less, which is designed primarily for the purposes of transportation of property or is a derivative of such vehicle, or is available with special features enabling off-street or off-highway operation and use.

(9) "Medium duty passenger vehicle" (MDPV) is any medium-duty vehicle with a gross vehicle weight rating of less than 10,000 pounds that is designed primarily for the transportation of persons. The medium-duty passenger vehicle definition does not include any vehicle which:

(a) Is an "incomplete truck," i.e., is a truck that does not have the primary load carrying device or container attached; or

(b) Has a seating capacity of more than twelve persons; or

(c) Is designed for more than nine persons in seating rearward of the driver's seat; or

(d) Is equipped with an open cargo area of 72.0 inches in interior length or more. A covered box not readily accessible from the passenger compartment will be considered an open cargo area for the purpose of this definition.

(10) "Model year" is the manufacturer's annual production period which includes January 1 of a calendar year. If the manufacturer has no annual production period, "model year" is the calendar year. In the case of any vehicle manufactured in two or more stages, the time of manufacture shall be the date of completion of the chassis.

(11) "Nonmethane organic gas" or "NMOG" is the sum of nonoxygenated and oxygenated hydrocarbons contained in a gas sample as measured in accordance with the "California Non-Methane Organic Gas Test Procedures," and incorporated herein by reference.

(12) "NMOG fleet average emissions" is a motor vehicle manufacturer's average vehicle emissions of all nonmethane organic gases from passenger cars and light duty trucks in any model year delivered in Washington that are subject to this regulation.

(13) "Passenger car" is any motor vehicle designed primarily for transportation of persons and having a design capacity of twelve persons or less.

(14) "Small volume manufacturer" is defined as set forth in the California Code of Regulations, Title 13, section 1900 and incorporated herein by reference.