FINAL
PHASE 2 RFG PERFORMANCE SUBCOMMITTEE
MEETING SUMMARY
OCTOBER 4, 1994
I. Introduction
The performance committee discussed the following key issues
regarding the Phase 2 Reformulated Gasoline performance and
compatibility implementation efforts:
On-Road Test Protocol
Off-Road Test Protocol
Fuel Specifications
Safety Issues Related to Test Fuel Explosivity
The minutes from the August 16, 1994 meeting were approved
with no changes. Furthermore, a paper discussing the
general principles regarding confidentiality and antitrust
issues was given to subcommittee members.
II. On-Road Test Protocol
The subcommittee made changes to some sections in the draft
test protocol. The test schedule has been delayed slightly,
to begin February 1, 1995 and end in August 1995. The
subcommittee also made changes to the inspection log and
survey forms, the fuel tracking section, and analysis
methods section.
The ARB staff has already identified most of the fleets
necessary to implement the test program, but additional
fleets are still necessary for Southern California as well
as for older vehicles in both Southern and Northern
California. The ARB staff will work with the Western States
Petroleum Association and others on identifying and
obtaining fleets. In Northern California, the staff has
identified test fleets from the City of Sacramento and the
County of Sacramento, with about 500 test vehicles and 500
control vehicles, most of which are post 1985 domestic
vehicles. In Southern California, the staff has identified
test fleets from Bank of America, Caltrans, and Northrup
Grumman, totaling 250 test vehicles and 250 control
vehicles; however, most of these vehicles are also post 1985
domestic vehicles.
The survey forms will be modified to be weekly forms, and a
description of the forms will be provided at the next
subcommittee meeting. We will also discuss whether a failed
part should be inspected by an independent lab at the next
meeting.
Contact: Nelson Chan (916) 327-1510
III. Off-Road Test Protocol
The utility lawn and garden equipment and marine vessel test
fleets have been identified with some testing already
occurring. Briggs and Straton and Tecumseh have started
field testing certification fuel and have nearly completed
testing. However, a medium and heavy duty test fleet has
not yet been identified. Caltrans appears to be the best
source for a heavy duty test fleet, and the staff is working
with them to identify a fleet of approximately 100 vehicles.
Testing of the agricultural and lawn and garden fleet is
ready to begin at the University of California, Davis, but
the fleet is small and lack a control fleet. The ARB staff
will use past maintenance records for statistical analysis
and made available to Subcommittee members for inspection.
Contact: Jack Kitowski (818) 575-6621
IV. Fuel Specifications
The Subcommittee agreed upon the test fuel specifications
with some changes. The ARB staff will proceed to procure
the fuel. The Subcommittee adopted a test fuel octane
requirement with a target value of 89 with a range from 88
to 90 a wider fuel specification range for RVP and T90.
However, the Subcommittee did not agree to include ETBE or
to test low aromatic hydrocarbon content fuel, although the
subcommittee did agree that these fuel specifications could
be included in a bench test program. General Motors (GM)
proposed to conduct bench testing to evaluate other fuel
parameters, including low aromatic hydrocarbon fuel
(approximately 14 percent aromatic hydrocarbon content).
The Subcommittee agreed to select a small group at a later
time, possibly after the Advisory Committee meeting on
October 18, 1994, to discuss details of the bench testing
program. The Subcommittee will review the details at the
next meeting. At this time, the baseline fuel will be
commonly available gasoline normally purchased by the
control fleet.
The Subcommittee agreed to have a fuel blender produce the
test fuel (referred to as "option 2" in a letter soliciting
comments). However, concern was raised over whether or not
the blender would be able to produce the test fuel with
blendstocks representative of California refineries. The
Subcommittee discussed the possibility of hiring a
contractor to evaluate the recipe for creating the test fuel
and to assist the blender to ensure that the blend is
representative of California blendstocks. However, because
of the time constraint, this option is unlikely. Other
options discussed included having industry individuals, or
the ARB and industry, monitor the blender. The Subcommittee
will discuss these issues further at the next meeting.
Contact: Rich Vincent (916) 327-5977
V. Safety Issues Related to Test Fuel Explosivity
A Chevron representative presented a paper discussing the
explosivity of low RVP gasoline and how existing fuel
handling practices are adequate for handling reformulated
gasoline (see attached). This issue will be discussed at
subsequent meetings.
Attachment
CBG Program Advisory and Subcommittee Activities