UNITED
STATES
ENVIRONMENTAL
PROTECTION
AGENCY
National
Vehicle
and
Fuel
Emissions
Laboratory
2565
Plymouth
Road
Ann
Arbor,
Michigan
48105­
2498
May
19,
2004
MEMORANDUM
SUBJECT:
In­
Use
Testing
for
Heavy­
Duty
Diesel
Engines
and
Vehicles
 
Discussions
with
California
Air
Resources
Board
and
Engine
Manufacturers
Association
FROM:
Richard
S.
Wilcox

Richard
S.
Wilcox
Environmental
Scientist
Assessment
and
Standards
Division
THRU:
Glenn
Passavant,
Director

Glenn
Passavant
Nonroad
Engine
Center
Assessment
and
Standards
Division
TO:
Rulemaking
Docket,
OAR­
2004­
0072
On
April
6,
2004
a
meeting
was
held
among
representatives
of
the
EPA,
California
Air
Resources
Board
(
CARB),
and
Engine
Manufacturers
Association
(
EMA)
to
discuss
the
development
of
draft
regulations
to
establish
an
in­
use
testing
program
for
heavy­
duty
diesel
engines.
The
meeting
was
convened
at
EPA's
Vehicle
and
Fuel
Emissions
Laboratory
in
Ann
Arbor,
MI..
A
draft
copy
of
the
regulations
was
presented
to
the
attendees
for
comment.
Those
present
and
their
affiliations
are
as
follows:

Rick
Gezelle,
EPA,
DC
Michael
Horowitz,
EPA,
DC
Glenn
Passavant,
EPA,
AA
Alan
Stout,
EPA,
AA
Rich
Wilcox,
EPA,
AA
Dipak
Bishnu,
CARB
Michael
Carter,
CARB
Stephan
Lemieux,
CARB
John
Duerr,
Detroit
Diesel
Corporation
Tim
French,
EMA
