Fleet Maintenance - 11

carbons, and particulate matter emitted from heavy duty vehicles. This aimed to reduce NOx emissions by 50
percent. From there, regulations have become increasingly more stringent at an expedited pace.
Finalized in 2001, the 2007 Heavy Duty Engine and Vehicle Rule further regulated emissions for heavy duty
on-highway trucks. The updated emissions standards included a significant reduction in particulate matter and NOx
emissions emitted from on-road heavy duty diesel vehicles. particulate matter includes soot, unburned hydrocarbons,
ash, or sulfate. The particulate matter emissions standard took full effect in 2007 - coinciding with regulations to
the 2007 model year phase. The NOx standard was phased in for diesel engines between 2007 and 2010.
Heavy duty diesel engine emissions control systems, more commonly known as aftertreatment systems, were
introduced as a solution to aid in reducing both particulate matter and NOx emissions, since the pre-2007 fuel
system, air handling, and combustion technologies were unable to complete these tasks up to government standards.
Diesel engines with aftertreatment systems must use ultra-low sulfur diesel (ULSD) - which was another U.S.
EPA standard designed to help reduce pollutants in conjunction with limiting emissions. If a higher concentration
of sulfur is in the fuel, it could damage the aftertreatment system.
In 2009, the U.S. EPA made a separate ruling requiring all heavy duty engines include an on-board diagnostics
(OBD) system to monitor the emissions control system, with functionality to send alerts to the driver when faults
are detected. This same ruling required manufacturers to provide service information to complete the necessary
repair and maintenance on the OBD system and any emissions-related engine components.
 Continued Page 12

Regulations
have become
more stringent
at an expedited
pace.
»»As changing regulations dictate
updates to vehicle design and
function, these updates will have
a direct impact on vehicle service
and maintenance methods.
narvikk | 1014784386 | iStock

February 2020 | VehicleServicePros.com

11


http://www.VehicleServicePros.com

Fleet Maintenance

Table of Contents for the Digital Edition of Fleet Maintenance

Vehicles: What's Next in Federal Vehicle Emissions Standards?
In the Bay: Technician Tool Support
Shop Operations: State of the Industry
Taking the Extra Step to Prevent Wheel-offs
Planning Ahead for Vehicle Cybersecurity Threats
Management: How Do You Know When to Replace a Vehicle?
Economic Outlook: Won't Get Fooled Again
Letter from the Editor: Real-world Views on Parts, Service, and Operations
Tools & Equipment
Classifieds
Guest Editorial: Moisture in Trailer Brakes is Not Just a Nuisance
Hand & Specialty Tools Supplement
Specialty Hand Tools: The Problem Solvers
Time to Multitask
Get a Hold on Hand Tool Safety
Electric Vehicle Tool Set
Tool Review
Products
Fleet Maintenance - 1
Fleet Maintenance - 2
Fleet Maintenance - 3
Fleet Maintenance - 4
Fleet Maintenance - 5
Fleet Maintenance - 6
Fleet Maintenance - 7
Fleet Maintenance - 8
Fleet Maintenance - 9
Fleet Maintenance - Vehicles: What's Next in Federal Vehicle Emissions Standards?
Fleet Maintenance - 11
Fleet Maintenance - 12
Fleet Maintenance - 13
Fleet Maintenance - 14
Fleet Maintenance - 15
Fleet Maintenance - 16
Fleet Maintenance - 17
Fleet Maintenance - 18
Fleet Maintenance - 19
Fleet Maintenance - 20
Fleet Maintenance - 21
Fleet Maintenance - 22
Fleet Maintenance - 23
Fleet Maintenance - 24
Fleet Maintenance - 25
Fleet Maintenance - In the Bay: Technician Tool Support
Fleet Maintenance - 27
Fleet Maintenance - 28
Fleet Maintenance - 29
Fleet Maintenance - Shop Operations: State of the Industry
Fleet Maintenance - 31
Fleet Maintenance - 32
Fleet Maintenance - 33
Fleet Maintenance - 34
Fleet Maintenance - 35
Fleet Maintenance - 36
Fleet Maintenance - 37
Fleet Maintenance - Taking the Extra Step to Prevent Wheel-offs
Fleet Maintenance - 39
Fleet Maintenance - Planning Ahead for Vehicle Cybersecurity Threats
Fleet Maintenance - 41
Fleet Maintenance - 42
Fleet Maintenance - 43
Fleet Maintenance - Management: How Do You Know When to Replace a Vehicle?
Fleet Maintenance - 45
Fleet Maintenance - Economic Outlook: Won't Get Fooled Again
Fleet Maintenance - 47
Fleet Maintenance - Letter from the Editor: Real-world Views on Parts, Service, and Operations
Fleet Maintenance - 49
Fleet Maintenance - 50
Fleet Maintenance - Tools & Equipment
Fleet Maintenance - 52
Fleet Maintenance - Classifieds
Fleet Maintenance - Guest Editorial: Moisture in Trailer Brakes is Not Just a Nuisance
Fleet Maintenance - 55
Fleet Maintenance - 56
Fleet Maintenance - Hand & Specialty Tools Supplement
Fleet Maintenance - A2
Fleet Maintenance - Specialty Hand Tools: The Problem Solvers
Fleet Maintenance - A4
Fleet Maintenance - Time to Multitask
Fleet Maintenance - A6
Fleet Maintenance - Get a Hold on Hand Tool Safety
Fleet Maintenance - A8
Fleet Maintenance - Electric Vehicle Tool Set
Fleet Maintenance - Tool Review
Fleet Maintenance - A11
Fleet Maintenance - A12
Fleet Maintenance - Products
Fleet Maintenance - A14
Fleet Maintenance - A15
Fleet Maintenance - A16
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