The California Air Resources Board (ARB or Board) announces the
release of the draft document "Technology Assessment: Heavy-Duty
Hybrid Vehicles".
This draft technology assessment identifies the status of hybrid
vehicle technology for Class 2b through Class 8 vehicles (gross
vehicle weight ratings of 8,501 pounds and up). The draft
assessment describes the potential for emission reductions, the
market penetration of hybrids in medium-duty and heavy-duty
trucks and buses, and the next steps for achieving these emission
reductions from hybrids in the on-road heavy-duty arena. Sources
of information used in the draft assessment include an extensive
list of published reports and research papers.
The draft technology assessment can be viewed and downloaded from
the ARB's technology and fuels assessment webpage at:
http://www.arb.ca.gov/msprog/tech/tech.htm.
We encourage interested parties to submit comments on the draft
technology assessment through the technology and fuels assessment
web page for public comments at:
http://www.arb.ca.gov/msprog/tech/techreport/comments.htm. We
prefer to receive comments within 30 days of the posting of this
draft assessment, if possible.
ARB staff will provide an informational update to the Board on
this draft technology assessment, along with the draft technology
assessments for fuel cell and battery electric heavy-duty
vehicles, at the November 19, 2015, Board meeting in Sacramento.
The public agenda will be available 10 days before the meeting
and may be accessed at:
http://www.arb.ca.gov/board/meetings.htm.
If you have questions regarding the draft technology assessment,
please contact Mr. Bob Nguyen, Staff Air Pollution Specialist, at
916-327-2939, or at rnguyen@arb.ca.gov.
Background: California has made substantial progress in reducing
emissions from mobile sources, but further reductions are needed
to meet California's air quality and climate goals. These goals
include:
•Meeting 2023 and 2032 ambient ozone air quality standards, which
staff estimates will require a 90 percent reduction in NOx
emissions below the 2010 baseline emission inventory in the South
Coast air basin, with substantial reductions needed in the San
Joaquin Valley and other non-attainment areas of the state as
well;
•Meeting the newly proposed federal ozone standard, which staff
estimates will be even more challenging to attain than the 2032
standard;
•Reducing greenhouse gas (GHG) emissions to 1990 levels by 2020;
•Achieving a 40 percent reduction in GHG emissions from 1990
levels by 2030;
•Achieving an 80 percent reduction in GHG emissions from 1990
levels by 2050;
•Reducing petroleum use in cars and trucks by up to 50 percent by
2030; and
•Producing at least 50 percent of electricity from renewable
sources by 2030.
Heavy-duty vehicles greater than 8,500 pounds emit about
one-fifth of the total GHG emissions associated with
transportation sources in the State, which is about eight percent
of the statewide total. In addition, these vehicles account for
33 percent of NOx emissions from all statewide sources. Because
trucking emissions are such a significant source of GHG and
criteria pollutant emissions, achieving reductions within the
trucking sector is a key component in the strategy to meet
California's climate and air quality goals.
The technology assessments were prepared by staff from ARB, along
with staff from the South Coast Air Quality Management District.
They were discussed at workshops in September 2014, and at the
December 2014 ARB board meeting. More information on the
assessments is available at ARB's website at
http://www.arb.ca.gov/msprog/tech/tech.htm. An overview of the
technology assessments was released in April 2014 and is
available on ARB's website at
http://www.arb.ca.gov/msprog/tech/report.htm
California is in a drought emergency.
Visit www.SaveOurH2O.org for water conservation tips.
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The energy challenge facing California is real. Every Californian
needs to take immediate action to reduce energy consumption. For
a list of simple ways you can reduce demand and cut your energy
costs, visit the Flex Alert website at www.flexalert.org .
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