State
of
California
AIR
RESOURCES
BOARD
Notice
of
Public
Availability
of
Modified
Text
PUBLIC
HEARING
TO
CONSIDER
ENGINE
MANUFACTURER
DIAGNOSTIC
SYSTEM
REQUIREMENTS
FOR
2007
AND
SUBSEQUENT
MODEL
YEAR
HEAVY­
DUTY
ENGINES
Public
Hearing
Date:
May
20,
2004
Public
Availability
Date:
July
26,
2004
Deadline
for
Public
Comment:
August
20,
2004
The
Board's
Action.
At
its
May
20,
2004,
public
hearing,
the
Air
Resources
Board
(
the
"
Board"
or
"
ARB")
approved
the
adoption
of
section
1971,
title
13,
California
Code
of
Regulations
("
CCR").
Upon
becoming
operative,
section
1971
would
establish
engine
manufacturer
diagnostic
("
EMD")
requirements
for
2007
and
subsequent
model
year
onroad
heavy­
duty
engines
and
vehicles
produced
for
sale
in
California
with
a
gross
vehicle
weight
rating
greater
than
14,000
pounds.

At
the
hearing,
the
staff
presented,
and
the
Board
approved,
modifications
to
the
regulation
originally
proposed
in
the
Staff
Report
released
on
April
2,
2004,
in
response
to
comments
received
since
the
Staff
Report
was
published.
These
staff's
suggested
modifications,
which
were
made
available
during
the
hearing,
include:

1)
Clarification
that
engine
manufacturers
are
responsible
for
the
EMD
system
(
section
1971(
a)).
2)
Clarification
that
the
proposed
regulation
applies
only
to
gasoline
and
diesel­
fueled
heavy­
duty
engines
(
section
1971(
b)).
3)
Addition
of
definitions
for
"
engine"
and
"
engine
manufacturer"
(
sections
1971(
c)(
3)
and
(
c)(
4)).
4)
Modification
of
the
definition
of
"
on­
road
heavy­
duty
engine"
to
include
"
related
aftertreatment
components"
(
section
1971(
c)(
9)).
5)
Deletion/
change
of
all
references
of
"
powertrain"
in
the
regulation
(
sections
1971(
e)(
4)(
A)
and
(
f)(
2)).
6)
Change
of
all
references
of
"
manufacturer"
in
regulation
to
"
engine
manufacturer."

Appended
to
this
notice
is
Board
Resolution
04­
16
(
Attachment
I),
which
approves
the
proposed
regulation
with
modifications.
Additions
to
the
text
are
denoted
by
underline
and
deletions
by
strikeout.
In
the
Resolution,
the
Board
directed
the
Executive
Officer
to
incorporate
the
approved
modifications
into
the
proposed
regulatory
text,
along
with
such
other
conforming
modifications
as
may
be
appropriate,
and
to
make
such
modifications
available
for
a
supplemental
comment
period
of
at
least
15
days.
The
approved
regulation,
as
modified
by
the
suggested
modifications
presented
at
the
hearing,
is
appended
to
the
Resolution
as
Attachment
B.
2
Attachment
I,
with
its
attachments,
may
be
obtained
from
the
Internet
at
the
following
address:
http://
www.
arb.
ca.
gov/
regact/
emd2004/
emd2004.
htm
Printed
copies
may
be
obtained
from
Mr.
Mike
McCarthy,
Manager,
Advanced
Engineering
Section,
of
the
Mobile
Source
Control
Division,
at
(
626)
575­
6615.

Comments
and
Subsequent
Action.
In
accordance
with
section
11346.8
of
the
Government
Code,
the
Board
directed
the
Executive
Officer
to
adopt
sections
1971,
title
13,
CCR,
after
making
them
available
to
the
public
for
comment
for
a
period
of
at
least
15
days.
The
Board
further
provided
that
the
Executive
Officer
shall
consider
such
written
comments
as
may
be
submitted
during
this
period,
shall
make
such
modifications
as
may
be
appropriate
in
light
of
the
comments
received,
and
shall
present
the
regulation
to
the
Board
for
further
consideration
if
warranted.

Written
comments
on
the
proposed
modifications
may
be
submitted
by
postal
mail,
electronic
mail,
or
facsimile
as
follows:

Postal
mail
is
to
be
sent
to:

Clerk
of
the
Board
Air
Resources
Board
1001
"
I"
Street,
23rd
Floor
Sacramento,
California
95814
Electronic
mail
is
to
be
sent
to:
emd2004@
listserv.
arb.
ca.
gov
Facsimile
submissions
are
to
be
transmitted
to:
(
916)
322­
3928
In
order
to
be
considered
by
the
Executive
Officer,
comments
must
be
directed
to
the
ARB
in
one
of
the
three
forms
described
above
and
received
by
the
ARB
by
5:
00
p.
m.
on
the
last
day
for
comment,
August
20,
2004.
Only
comments
relating
to
the
abovedescribed
modifications
to
the
text
of
the
regulation
shall
be
considered
by
the
Executive
Officer.

If
you
have
a
disability­
related
accommodation
need,
please
go
to
http://
www.
arb.
ca.
gov/
html/
ada/
ada.
htm
for
assistance
or
contact
the
ADA
Coordinator
at
(
916)
323­
4916.
If
you
are
a
person
who
needs
assistance
in
a
language
other
than
English,
please
go
to
http://
inside.
arb.
ca.
gov/
as/
eeo/
languageaccess.
htm
or
contact
the
Bilingual
Coordinator
at
(
916)
324­
5049.
TTY/
TDD/
Speech­
to­
Speech
users
may
dial
7­
1­
1
for
the
California
Relay
Service.

Attachments
