March/April 2024 - 13

Active Vehicles in
the United States
4%
Administrative
Buildings
Active vehicles declined slightly
across most rubber-tired
modes except for double decker
buses, which saw nearly a
13% increase in active vehicles
between 2021 and 2022.
Source: NTD 2022 Vehicles Type by Agency
riders under 25 and those who work in
non-office jobs.
The brief concludes that agencies focused
on serving historically marginalized
communities could see ridership
growth. This includes support for hourly,
late night and early morning workers by
reinvesting in equitable transit. Additionally,
the brief explains real estate
investment in central-city areas could potentially
further an increase in ridership.
Another recent development impacting
transit vehicles, in particular rubber-tired
vehicles, is the publication at
the end of March of the Environmental
Protection Agency's (EPA) final rule on
Greenhouse Gas Emissions Standards for
Heavy-Duty Vehicles-Phase 3. The rule
phases in standards for heavy-duty vehicles,
including transit and shuttle buses,
over Model Years (MY) 2027 through
2032. EPA says standards are technology-neutral
and performance-based,
allowing each manufacturer to choose
what set of emissions control technologies
is best suited for them and the
needs of their customers. The agency
also explained the standards can be met
through a variety of vehicle models, including
advanced internal combustion
engine vehicles, hybrid vehicles, plug-in
hybrid electric vehicles, battery electric
vehicles and hydrogen fuel cell vehicles.
For heavy-duty transit vehicles, the
Phase 3 standards in the final rule are 13
percent stronger than Phase 2 starting
in MY 2029 and increase to 30 percent
stronger in MY 2032.
EPA says the standards will avoid 1
billion tons of greenhouse gas emissions
and provide $13 billion in annualized
net social benefits related to public
health, the climate and savings for fleet
owners and operators.
Terminology
NTD Mode Types
RB - Bus Rapid Transit
CB - Commuter Bus
DR - Demand Response
TB - Trolleybus
VP - Vanpool
MB - Bus
8%
Stations
7%
Guideway
4%
Other
7%
Communication &
Information Systems
2%
Fare Collection
Equipment
1%
Other Vehicles
18%
Maintenance
Facilities
Capital
expenses
of U.S.
bus fleets
50%
Passenger
Vehicles
Source:
NTD Capital
Expenses 2022
4%
Bio-Diesel
0.16%
Electric Propulsion,
Hydrogen, Other Fuels
7%
Electric
Battery
Rubber25%
Compressed
Natural
Gas
tired transit
energy
use
1%
Liquified
Petroleum Gas
12%
Gasoline
43%
Diesel
Source:
NTD Fuel and
Energy 2022
Numbers reflected in this
report used information within
the National Transit Database
for the modes listed.
MARCH/APRIL 2024 | MassTransitmag.com 13

http://www.MassTransitmag.com

March/April 2024

Table of Contents for the Digital Edition of March/April 2024

Urban mobility’s hands-free future is near
People & Places
Special Report: Bus Fleet Snapshot
TriMet’s Powell Garage leads way in modern transit facilities
Park City investment in driver subsidized housing is a win-win
Vehicle Design: Managing Wheel/ Rail-Generated Noise and Vibration from the Ground Up
The Transportation Technology Center: A Hub for Advanced Passenger Train Testing
Products
March/April 2024 - 1
March/April 2024 - 2
March/April 2024 - 3
March/April 2024 - 4
March/April 2024 - 5
March/April 2024 - Urban mobility’s hands-free future is near
March/April 2024 - 7
March/April 2024 - People & Places
March/April 2024 - 9
March/April 2024 - 10
March/April 2024 - 11
March/April 2024 - Special Report: Bus Fleet Snapshot
March/April 2024 - 13
March/April 2024 - 14
March/April 2024 - 15
March/April 2024 - TriMet’s Powell Garage leads way in modern transit facilities
March/April 2024 - 17
March/April 2024 - 18
March/April 2024 - 19
March/April 2024 - Park City investment in driver subsidized housing is a win-win
March/April 2024 - 21
March/April 2024 - 22
March/April 2024 - 23
March/April 2024 - Vehicle Design: Managing Wheel/ Rail-Generated Noise and Vibration from the Ground Up
March/April 2024 - 25
March/April 2024 - 26
March/April 2024 - 27
March/April 2024 - 28
March/April 2024 - 29
March/April 2024 - The Transportation Technology Center: A Hub for Advanced Passenger Train Testing
March/April 2024 - 31
March/April 2024 - 32
March/April 2024 - 33
March/April 2024 - Products
March/April 2024 - 35
March/April 2024 - 36
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