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Glossary

Confused by "green" terminology and technical terms? Browse the Evergreen Fleets Glossary for quick and easy definitions and explanations.


A renewable, diesel replacement fuel manufactured from vegetable oils, recycled cooking greases or oils, or animal fats.

The percent of fuel that is from natural sources (e.g. vegetation).

A collection of all on-road motor vehicles operating in Washington state with a common owner or operator. On-road motor vehicles that operate exclusively within the boundaries of a specific site are considered part of the emissions from that site and not part of the fleet of on-road motor vehicles.

A vehicle that meets the USEPA's SmartWay designation. For more information see: http://www.epa.gov/greenvehicles/Aboutratings.do#aboutsmartway

Any on-road motorized device for transporting people or goods, or performing mobile tasks, but not including heavy construction equipment or vehicles that operate within a single facility.
 
Vehicle Class Definitions

Class I. Coups, sedans and station wagons less than 8,500 lbs gross vehicle weight with 85 to 109 cubic feet interior passenger and cargo volume.

Class I. Coups, sedans and station wagons less than 8,500 lbs gross vehicle weight with 110 to 119 cubic feet interior passenger and cargo volume.

Class I. Coups, sedans and station wagons less than 8,500 lbs gross vehicle weight with 120 cubic feet or more of interior volume.

Class I. A sport utility vehicle (SUV) is a generic marketing description for a vehicle similar to a station wagon but built on a light-truck chassis. These are vehicles with less than 8,500 lbs gross vehicle weight with engines smaller than 4.5L and are either a four cylinder or a V6, (e.g., Escape, Vue, Highlander). Also includes inline 5 and 6 cylinder engines.

Class I. Vehicles with less than 8,500 lbs gross vehicle weight with engines equal to or larger than 4.5L and are V8 or greater, (e.g., Tahoe, Yukon, Grand Cherokee).

Class I. Compact and 1/2-ton trucks less than 4,500 lbs gross vehicle weight.

Class II. 3/4-ton and larger trucks with gross vehicle weight between 4,500 and 8,500 lbs.

Class I,II. A vehicle similar in shape to a van that is designed for personal use. Minivans are taller than a sedan or hatchback and are designed for maximum interior room. The gross vehicle weight is less than 8,500 lbs.

Class I,II. A road vehicle with a roof and no side windows used to transport cargo and having a gross vehicle weight 8,501 to 10,000 lbs.

A 2-wheeled vehicle propelled by an internal combustion engine often with two saddles and a gross vehicle weight less than 8,500 lbs.

Class IV on-road vans, trucks, and pick up trucks with a gross vehicle weight between 14,001 and 16,000 lbs.

Class V on-road vans and trucks, or buses with a gross vehicle weight between 16,001 and 19,500 lbs.

Class VI on-road vans, trucks, or buses with a gross vehicle weight between 19,501 and 26,000 lbs.

Class VII on-road trucks or buses with a gross vehicle weight between 26,001 and 33,000 lbs.

Class VII on-road trucks or buses with a gross vehicle weight between 26,001 and 33,000 lbs.

Class VII on-road trucks or buses with a gross vehicle weight between 26,001 and 33,000 lbs.