Definitions. For the purposes of the
regulations in this Article 4.3, the following definitions apply:
(1) "Active Bus" means a bus in a particular
fleet at year-end that is available to operate in revenue service, including a
spare bus and a bus temporarily out of service for routine maintenance and
minor repairs. A bus in storage, an emergency contingency vehicle, a bus
removed from the active bus fleet and awaiting sale, or a bus out of service
for an extended period of time for major repairs is not considered an active
(2) "Air Basin" has the same
meaning as defined in section
of the Health and Safety Code.
"Annual Maximum Service" means the number of buses in revenue service that are
operated during the peak season of the year, on the week and day that maximum
service is provided, but excludes demand response buses. Annual maximum service
excludes the following:
(A) An atypical day,
on which the transit agency provides extra service to meet demands for special
events such as conventions, parades, or public celebrations, or operates
significantly reduced service because of unusually bad weather (e.g.,
snowstorms, hurricanes, tornadoes, earthquakes) or major public disruptions
(e.g., terrorism); or
"Articulated Bus" is a 54-foot to 60-foot bus with two connected passenger
(5) "Battery Electric
Bus" means a bus that has an all-electric propulsion system and relies only on
batteries to store electricity received from an external power source of the
vehicle. It has no internal combustion engine in the powertrain for the
(6) "Bus" means a
rubber-tire vehicle designed to transport passengers by road with gross vehicle
weight rating (GVWR) greater than 14,000 pounds, but does not include a
trolleybus as specified in section 2023(a)(2)(A).
"Bus Purchase" or "Purchase" means the
transit agency has identified, committed and encumbered funds and executes one
of the following:
A written "Notice to
Proceed" executed by a transit agency to a bus manufacturer to begin production
of a bus either:
1. Under a previously-entered
purchase contract; or
a contract option;
(B) If no Notice to Proceed is issued, a
written purchase agreement between a transit agency and a bus manufacturer that
specifies the date when the bus manufacturer is to proceed with the work to
manufacture the bus; or
signed written lease agreement between a transit agency and a bus manufacturer
or sales representatives for a new bus to be placed in revenue service for a
contract term of five years or more.
(8) "Bus Testing Report" means the complete
test report for a bus model required by title 49 of the Code of Federal
Regulations (CFR) section 665.13. These bus tests are also commonly called
(9) "Bus Type"
means a bus body configuration, including a bus, articulated bus, over-the-road
bus, double-decker bus, and cutaway buses.
"CalEnviroScreen" means a mapping tool
that is developed by the Office of Environmental Health Hazard Assessment
(OEHHA) at the request of the California Environmental Protection Agency
(CalEPA) to identify California's most pollution-burdened and vulnerable
communities based on geographic, socioeconomic, public health, and
environmental hazard criteria. The CalEnviroScreen is available for public use
(11) "CARB" is the same as California Air
Natural Gas" or "CNG" has the same meaning as specified in the Low Carbon Fuel
Standard Regulation, title 17, California Code of Regulations, section
Internal Combustion Engine Bus" means a bus with an internal combustion engine
(ICE) propulsion system or a combination of an internal combustion engine with
an electric propulsion system commonly referred to as a hybrid
(14) "Conversion to a
Zero-Emission Bus" means converting a conventional internal combustion engine
bus to a zero-emission bus as defined in section 2023(b)(54).
(15) "Criteria Pollutants" or "Criteria Air
Pollutants" are air pollutants for which air quality criteria have been issued
by the Administrator of the United States Environmental Protection Agency under
title 42 of the, U.S.C. section 7408.
(16) "Curb Weight" has the same meaning as
defined in title 49 of Code of Federal Regulations, section 571.3.
(17) "Cutaway Bus" means a vehicle in which a
bus body designed to transport passengers is mounted on the chassis of a van or
light- or medium-duty truck chassis, and that has a GVWR greater than 14,000
pounds but not more than 26,000 pounds. The original van or light- or medium-
duty truck chassis may be reinforced or extended. A cutaway bus may accommodate
some standing passengers.
"Date In-Service" means the date a purchased bus is brought into revenue
(19) "Demand Response" has
the same meaning as defined in title 49 of the Code of Federal Regulations,
the same meaning as defined in title 13, California Code of Regulations,
(21) "Double-Decker" means a high-capacity
bus that has two levels of seating, one over the other, connected by one or
more stairways. Total bus height is usually 13 to 14.5 feet, and typical
passenger seating capacity ranges from 40 to 80 people.
(22) "Emergency" has the same meaning as
defined in title 49 of U.S.C., section 5324(a)(2).
(23) "Emergency Contingency Vehicle" is a
revenue vehicle removed from an active bus fleet for local emergencies after
this revenue vehicle has reached the end of its normal minimum useful
(24) "Engine Family Name" or
"EFN" is an identifier, which is unique to an engine of a specific model year,
build, and manufacturer, and can be found on the emission control label located
on the engine.
Officer" means the Executive Officer of the California Air Resources Board
(CARB) or his/her designee.
"FTA" is the Federal Transit Administration.
(27) "Fuel Cell Electric Bus" or "FCEB" means
an electric bus that uses both a hydrogen fuel cell stack and a battery for
propulsion. The fuel cell stack generates electricity on board to charge the
battery that powers the on board motor. It has no internal combustion engine in
the powertrain. A fuel cell electric bus relies on its hydrogen tank and fuel
cell stack on board for its energy supply.
(28) "Gradeability" means a vehicle's ability
to climb slopes.
Vehicle Weight Rating" or "GVWR" has the same meaning as defined in California
Vehicle Code, section
Transit Agency" means either:
(A) A transit
agency that operates either in the South Coast or the San Joaquin Valley Air
Basin and operates more than 65 buses in annual maximum service; or
(B) A transit agency that does not operate in
the South Coast or San Joaquin Valley Air Basin and has at least 100 buses in
annual maximum service in an urbanized area with a population of at least
200,000 as last published by the Bureau of Census before December 31,
Engine" has the same meaning as defined in title 13 of the California Code of
(32) "Manufacture Year" means the year of
original manufacture of the vehicle. It is not necessarily the same as the
Planning Organization" or "MPO" has the same meaning as defined in
49 U.S.C. section
(34) "Minimum Useful Life" means the minimum
years of service or accumulations of miles at which a transit agency is allowed
to retire its federally funded bus without penalty under the terms of federal
Bus" means a bus, the equitable or legal title to which has never been
transferred to a first entity who in good faith purchases the bus for purposes
other than resale.
Entrant" means a transit agency that is newly established or is created through
a merger of two or more transit agencies on or after December 31,
(37) "Notice to Proceed"
means a written direction to a bus manufacturer to commence production of a bus
as provided in a contract.
"NOx" means oxides of nitrogen.
(39) "NOx Exempt Areas" means the following
counties and air basins: Alpine, Amador, Butte, Calaveras, Colusa, Del Norte,
Eastern Kern (portion of Kern County within the Eastern Kern Air Pollution
Control District), Glenn, Humboldt, Inyo, Lake, Lassen, Mariposa, Mendocino,
Modoc, Mono, Monterey, Nevada, Northern Sonoma (as defined in title 17,
California Code of Regulations, section 60100(e) ), Plumas, San Benito, San
Luis Obispo, Santa Barbara, Santa Cruz, Shasta, Sierra, Siskiyou, Northern
Sutter (portion of Sutter County that is north of the line that extends from
the south east corner of Colusa County to the southwest corner of Yuba County),
the portion of El Dorado that is within the Lake Tahoe Air Basin (as defined in
title 17, California Code of Regulations, section 60113 ), the portion of
Placer that is East of Highway 89 or within the Lake Tahoe Air Basin, Trinity,
Tehama, Tuolumne, and Yuba.
"Orange County Bus Cycle" means a chassis dynamometer test developed by West
Virginia University based on real bus operating data from the Orange County
Transportation Authority. The test is based on Society of Automotive Engineers
(SAE) International Recommended Practice for Measuring Fuel Economy and
Emissions of Hybrid-Electric and Conventional Heavy-Duty Vehicles J2711_200209
(September 20, 2002), available at:
, which is incorporated by reference.
(41) "Over-The-Road Bus" means a bus
characterized by an elevated passenger deck located over a baggage compartment.
They are customarily used for long-distance bus services or connecting outlying
areas with central cities with limited stops. Over-The-Road buses are also
commonly called Coaches or Motor Coaches.
"Regional Transportation Planning
Organization" has the same meaning as defined in
49 U.S.C. section
(43) "Renewable Diesel" or "Renewable
Hydrocarbon Diesel" has the same meaning as defined in title 17, California
Code of Regulations, section 95481(a)(123).
(44) "Renewable Natural Gas" or "Biomethane"
or "RNG" has the same meaning as defined in title 17, California Code of
Regulations, section 95481(a)(20).
(45) "Repower" means to replace an older
engine with a newer model engine that has reduced emissions.
(46) "Revenue Service" means the status of a
bus being available to the general public for the purpose of carrying
(47) "Revenue Vehicle"
means a bus that is available to operate in revenue service carrying
(48) "School Bus" has
the same meaning as defined in California Vehicle Code, section
(49) "Small Transit Agency" means a transit
agency that is not a large transit agency.
"Spare Bus" means a revenue vehicle that
is maintained by the transit agency to preserve scheduled service operations
during periods of:
(A) routine and unplanned
vehicle breakdowns or accidents.
"Transit Agency" has the same meaning as
defined in title 13, California Code of Regulations, section
A transit agency does not mean a correctional facility, airport, college or
university, national park, tour bus service providers, or an entity that
provide shuttle services solely for patrons of its organization.
(52) "Trolleybus" means a rubber-tired,
electrically powered passenger vehicle operated on city streets drawing power
from overhead wires using trolley poles.
"Urbanized Area" has the same meaning as
23 U.S.C. section
(54) "Zero-Emission Bus" or "ZEB" means a bus
with zero tailpipe emissions and is either a battery electric bus or a fuel
cell electric bus.
"Zero-Emission Passenger Miles" means the number of miles traveled by
passengers determined by multiplying the number of passengers who board
zero-emission vehicles, other than buses with a GVWR greater than 14,000
pounds, by the length of their trips.