in-use off-road diesel vehicle proposed regulation · skid steer loaders rubber tired loaders...
TRANSCRIPT
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May 25, 2007
California Environmental Protection Agency
Air Resources BoardAir Resources Board
In-Use Off-road Diesel Vehicle Proposed Regulation
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Outline
• Need for Emissions Reductions
• Affected Industries• Proposed Regulation
• Benefits and Impacts• Technological Feasibility
• Issues• Changes to original staff proposal
• Recommendation
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Need for Emission Reductions
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Need for Emission Reductions
• Must reduce Diesel Particulate Matter (PM)– 70% of known cancer risk from all air toxics– Thousands of deaths per year in California
• Must reduce oxides of nitrogen (NOx) – Ozone and secondary PM formation
• Attain ozone and PM standards
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California Diesel Risk Reduction Plan
• Adopted in 2000• Established Goals
– Reduce diesel PM emissions– 75% reduction by 2010– 85% reduction by 2020
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Significant Health Impacts from Off-Road Diesel Vehicles (2005)
1,100,000Restricted activity days
190,000Work loss days
32,000Cases of asthma and lower respiratory symptoms
1,100Premature deaths
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On-Road53%
Off-Road Regulation
24%
Marine4%
Locomotives5%
Other Off-Road
On-Road59%
Other Off-Road10%
Locomotives8%
Marine4%
Off-Road Regulation
19%
Large Fraction of 2005 Mobile Source Diesel Emissions
NOx PM
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Federal Nonattainment Areas
PM 2.5 Annual8-hr Ozone Annual
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SIP Strategy
• Major component of proposed SIP
• South Coast and San Joaquin Valley – 2015 PM2.5 attainment date– 2021 South Coast ozone attainment date
• South Coast NOx reduction needs– PM2.5 ; 30% reduction in 2014– Ozone; more than 50% reduction in 2020
• Direct PM2.5 reductions from proposed regulation
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Affected Industries and Vehicles
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Diverse Vehicle Types Covered
Dozer
Skid Steer
Backhoe Loader
Loader
Mast Forklift
Telescopic Forklift
Belt Loader
Aerial L ift
Ground support equipment
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180,000 Vehicles Affected(2005 Population)
0
5,00
0
10,0
00
15,0
00
20,0
00
25,0
00
30,0
00
35,0
00
Tractors/Loaders/Backhoes
Skid Steer Loaders
Rubber Tired Loaders
Excavators
Crawler Tractors
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New Engine Standards Make New Engines Cleaner (100-174 hp)
0
2
4
6
8
10
Tier 0:Up to1996
Tier 1:1997-2002
Tier 2:2003-2006
Tier 3:2007-2011
Tier 4Int:
2012-2014
Tier 4:2015+
g/bh
p-hr
PM NOx
00.10.20.30.40.50.60.7
Tier 0:Up to1996
Tier 1:1997-2002
Tier 2:2003-2006
Tier 3:2007-2011
Tier 4Int:
2012-2014
Tier 4:2015+
g/bh
p-hr
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Tier Distribution of Vehicle Population Subject to Regulation (2005)
Tier 051%
Tier 133%
Tier 216%
“Uncontrolled”
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Tier 434%
Tier 317%
Tier 019%
Tier 215%
Tier 115%
Tier Distribution Varies By Equipment Type
Tier 217%
Tier 043%
Tier 140%
Tier 324%
Tier 12%
Tier 26%
Tier 00%
Tier 468%
Skid Steer Loader - 2005
Skid Steer Loader - 2020
Tier 065%Tier 2
11%
Tier 124%
Crawler Tractor - 2005
Crawler Tractor - 2020
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Improved Emission Inventory
• OFFROAD2007 model updated using:– Market research reports– Input from stakeholders– Validated by surveys and other sources
• Major changes: – Longer vehicle useful lives– Vehicles are used less as they age– Better characterization of California fleet
• Best available estimate for California
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0
50
100
150
200
250
300
350
400
450
2000 2005 2010 2015 2020 2025
NO
x (to
ns p
er d
ay)
0
5
10
15
20
25
30
Die
sel P
M (t
ons
per d
ay)
Baseline Emissions• Emissions drop in absence of regulation but not fast
enough
NOx
PM
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Many Industries Affected (% vehicles)
Total construction
50%
Ski1% Landfill
1%
Government4%
Rental14%
Total mining11%
Recycling2%
Airlines1%
Retail Trade1%
Transportation2%
Other 6%
Utilities7%
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Construction Firm Employment
750
800
850
900
950
1000
2003 2004 2005 2006 2007 2008 2009
Ann
ual A
vera
ge C
onst
ruct
ion
Labo
r For
ce
(100
0s o
f Per
sons
)
• 942,000 employed in California • Growth about 5% per year 2003-2006
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California Construction Valuation
0
10
20
30
40
50
60
70
80
2003 2004 2005 2006 2007 2008 2009
Year
Con
stru
ctio
n T
otal
Val
uatio
n (b
illio
n $s
)
ResidentialNon-residential
Total
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Proposed Regulation
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Regulation Overview
• Applies to off-road vehicle engines over 25 hp
• Beginning in 2009– Labeling and annual reporting– Idling limits– Limits on adding dirty vehicles to fleets
• Control requirements begin– 2010 for large fleets– 2013 for medium fleets– 2015 for small fleets
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Two Options to Comply
• Meet fleet emission targets by any method
or• Demonstrate progress in reducing emissions
– Called Best Available Control Technology (BACT) requirements
– “Safety valve” for fleets that cannot meet targets
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Fleet Average Emission Targets
0.0
0.1
0.2
0.3
0.4
0.5
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
(g/b
hp-h
r) PM Baseline
PM Target
0.01.02.03.04.05.06.07.0
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
(g/b
hp-h
r)
NOx Baseline
NOx Target
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Compliance Options
• Install NOx or PM exhaust retrofits
• Buy cleaner new or used vehicles• Install cleaner engines (repower)
• Retire dirty vehicles
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BACT Requirements“A Safety Valve”
• Fleets never required to do more thanBACT requirements
• Apply PM retrofits to meet PM requirements– 20% of hp per year– No action required if not available
• Turn over engines to meet NOx requirements– 8-10% of hp per year– Engine turnover reduced with NOx retrofits
• Once fleet averages are met, fleets will do less
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Requirements Vary by Fleet Size
2010-2020 PM and NOx
Fleets with more than 5,000 hpLarge*
2013-2020 PM and NOx
Municipality with 1,501 to 5,000 hp orBusiness less than 5,000 hp (not “Small”)
Medium*
2015-2025PM only
Small business less than 1,500 hp or Municipality less than 1,500 hp or
Municipality fleet in low population countySmall
Dates andRequirement
DescriptionFleet SizeCategory
* Same requirements for large and medium fleets, only initial compliance date varies.
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Annual Compliance ProcessLarge and Medium Fleets
Either meet NOx target or do 8% or
10% turn over
Either meet PMtarget or do 20%
retrofits
Donefor
year
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Special Provisions• Exemptions or compliance extensions
– Low-use vehicles– Vehicles in attainment areas– Manufacturer delays
• No retrofit requirements– Engines in vehicles less than 5 years old– No retrofit available – Retrofit not safe
• No turnover requirements– Small fleet– Used vehicle not available– Less than 10 years old– Retrofit in past 6 years– Certain rural fleets
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Special Provisions for Attainment Counties
• Fleets captive to Federal attainment areas – Do not need to
meet turnover requirements or NOx fleet averages
Attainment Area Counties
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Regulation Provides Early Credit
• NOx retrofits in lieu of BACT turnover
• Early repowers and turnover• Electric and alternative fuel vehicles
– Double credit for turnover to electric vehicles
• Double credit for early PM retrofits
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Enforcement
• Annual fleet reporting
• Vehicle labeling– Unique vehicle identification number
• Inspection– Fleet audits– Facility and construction project inspections– Roadside inspections
• Additional enforcement staff
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Implementation, Outreach, and Education
• Committed to work with industry
• Extensive outreach and education• Compliance assistance
• Planning tools
John Deere Backhoe with diesel particulate filter u nder hood
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2 ½ Year Regulation Development
Draft regulatory languageNovember 2006
NOx strategies addedJuly 2006
Fleet average conceptJanuary 2006
First regulatory conceptsPM-focused BACT rule
July 2005
First workshopsNovember 2004
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Regulatory DevelopmentExtensive Outreach
• 13 public workshops
• 6 public workgroup meetings• Over 45 meetings with stakeholders
– Including CalTrans, CalOSHA, CIAQC and others
• Over 376,000 mailings– Contractors, landfills, recycling facilities, mines,
airports, portable equipment owners, etc.
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Alternatives Considered
• No action – natural turnover
• PM-only regulation• Mandatory phase-out of dirtiest engines
• Mandatory NOx and PM retrofits
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Stakeholder Suggestions
• Many comments incorporated into staff proposal– Fleet average– Credit for electric and alternative fuel– Delayed initial compliance dates– Softer early NOx targets and less early turnover – Credit for early action
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Fleet Age Distribution
1%
16%
34%28%
18%
4%0%
5%
10%
15%
20%
25%
30%
35%
Per
cent
of H
orse
pow
er
0-<4 4-<8 8-<12 12-<16 16-<20 20+
Fleet Average Age (Years)
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What Regulation Means for Fleets
• Half of fleets will meet 2010 NOx targets with normal turnover– Oldest and dirtiest fleets do more (safety valve)– Newer fleets do less
• Most fleets would do maximum 20% PM retrofits in first 2-3 years– Few retrofits after 3 years
• Only a small impact on most rental fleets– May bring new business
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Compliance ExampleFleet 1 - Older Earth Moving Fleet
• Represents 4% of all fleets• Fleet in 2008
– 88 engines totaling 40,000 hp– Scrapers, tractors, and dozers– Average age of vehicles 21 yrs– Normal turnover 2% per year– Normally buys used
• “Worst-case” fleet
Tier 089%
Tier 25%
Tier 16%
Tier Distribution in 2008
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Older Example Fleet 1: Compliance Actions
0
5
10
15
20
25
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
Year
% H
p
Turnover
Retrofit
Normal Turnover
Fleet 1 Compliance Actions
• Continues to buy used vehicles• 8% turnover per year (safety valve)• 20% retrofits in first 3 years; few thereafter
Normal turnover
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Fleet 1Engine Tier Distribution in 2020
Tier 447%
Tier 13%
Tier 341%
Tier 29%
• Majority of engines needed to comply with 2020 goals already available today
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Compliance ExampleFleet 2 - General Contractor Fleet
• Represents 16% of fleets• Fleet in 2008
– 758 engines totaling 182,000 hp– Wide variety of vehicle types– Average engine size 240 hp– Average age 7 yrs– Normal turnover to new vehicles
at 7% per year
Tier 326%
Tier 021%
Tier 232%
Tier 121%
Tier Distribution in 2008
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Newer Example Fleet 2: Compliance Actions
0
5
10
15
20
25
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
Year
% H
p Turnover with Rule
Retrofit
Normal Turnover
Fleet 2Compliance Actions
• Meets NOx targets in all years with normal turnover• Meets PM targets in all but two years• 20% PM retrofits in 2010 and 2012 (rest in 2020)
Normal turnover
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Example Fleet 2Engine Tier Distribution in 2020
Tier 332%
Tier 468%
• Same Tier distribution as without regulation
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Myths About the Proposed Regulation
• Will devastate small businesses
• Requires immediate turnover of entire fleet• Requires turnover to new vehicles only
• Cannot comply if PM retrofits not available• Need all Tier 4 engines to comply
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Benefits and Impacts
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Diesel PM Emission Benefits
• Meets 2020 Diesel Risk Reduction Plan goals
0
2
4
6
8
10
12
14
16
18
20
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
Die
sel P
M (
tons
per
day
)
2.3 tpd14%
6.9 tpd60%
5.2 tpd74%
Baseline
With Regulation
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0
50
100
150
200
250
300
350
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
NO
x (t
ons
per
day)
NOx Emission Benefits• Reductions needed to meet PM and ambient air quality
standards
13 tpd4%
30 tpd13%
48 tpd32%
Baseline
With Regulation
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Cumulative Health Benefits
• 4,000 fewer premature deaths • 110,000 fewer cases of asthma and lower
respiratory symptoms• 680,000 work loss days
• 3,900,000 restricted activity days• $18 - $26 billion in avoided health costs
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Costs
• Total cost of $3.0 - $3.4 billion– Increase of 0.3% per year in statewide construction
costs
• Cost-effectiveness – $37 - $43/lb PM– $2.1 - $2.5/lb NOx
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Annual Costs
$0
$100
$200
$300
$400
$500
$600
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
Calendar Year
Cos
ts (2
006
$s, m
illio
ns)
Retrofit Costs
Repower Costs
Accelerated Turnover Costs
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Costs Included• Early vehicle turnover
• Repowers• NOx and PM retrofits
• Increased costs for Tier 4 engines• Reduced value of Tier 0 vehicles
• Fuel economy losses• Filter regeneration and
maintenance costs
• Reporting costs• Excluded expected cost
savings
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Costs Analysis
• Modeled 200 actual fleets of varying age, engine size, and vehicle types– over 10,000 vehicles
• Determined fleet actions needed to comply• Compared costs to normal turnover costs• Scaled costs to statewide fleet
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Example Vehicle Cost Inputs
$0
$200
$400
$600
$800
$1,000
$1,200
$1,400
$1,600
0 5 10 15 20 25 30 35 40 45 50 55 60
Vehicle Age
Pric
e ($
/hp)
Crawler Tractor Vehicle Prices
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Cost Inputs - Retrofits
• Based on high level PM controls• Mix of technologies• Costs from actual manufacturer quotes
$18,000175 to 300 hp
$30,000Greater than 300 hp
$12,00050 to 175 hp
$8,000Less than 50 hp
Total PriceEngine Size
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Regulation’s Economic Impact
• Expect most costs to be passed through• Costs for 60-80% of fleets not expected to
exceed 10% of profits – If no costs passed through to customers– Costs higher for older fleets with high horsepower,
long-lived vehicles
• Some fleets will have to pass through costs to remain profitable
• Continued Moyer eligibility for small & medium fleets
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Technological Feasibility
Catalyst based NOx and PM exhaust retrofit systems
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Exhaust Retrofits• Requirements already in place
– New York City– LAX Community Benefits Agreement– Europe– US underground mining requirements
• Significant number of retrofits in service– Over 130,000 retrofits on heavy-duty vehicles– 35,000 DPFs retrofit on construction vehicles in
Switzerland and Germany
• Croton Project in New York
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Verification• Ensures emission reductions and durability
• Provides end user warranty– 4-5 years and 2,600-4,200 operating hours
Particulate filter≥ 85%3
Flow-thru filter≥ 50%2
Oxidation catalyst
≥ 25%1
Typical Device
PM Reduction
Level
DPF durability demonstration on concrete
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Level 3 Diesel Particulate Filters Verified for Off-road Use
1996-2007 off-road engines Engine Control System Combifilter
Most off-road diesel engines through 2007 model yearHuss Umwelttechnik FS_MK
Most Tier 1 and higher off-road enginesCleaire Horizon
ApplicabilityProduct
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Off-Road Showcase Demonstration
• Joint program between ARB, SCAQMD, and MSRC• $1 million in MSRC funding• Program goals
– Early emission reductions– Demonstrate off-road exhaust retrofits– Encourage retrofit verification
• Manufacturers will get off-road experience • Fleets will get experience with retrofits
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Repowers
• Replace existing engine with cleaner engine
• Many already funded through Carl Moyer incentive program
• Feasibility:– To Tier 1 straightforward– To Tier 2 usually possible– To Tier 3 more complex but often possible– To Tier 4 not likely– To On-Road certified engines (limited applicability)
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Vehicle Availability
• Regulation allows for use of new or used vehicles• Regulation adds at most 3% more turnover per year than
normal– Equivalent to ~ 5,400 vehicles per year
• No significant increase in new vehicle demand– 329,000 new off-road vehicles sold in US each year
• No significant increase in used vehicle demand– Over 30,000 clean, used vehicles for sale on single day
• Fleet not penalized if new or used vehicles not available
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Issues
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Cost and Job Impacts
• Industry Claims:– Cost and job loss too high– Staff estimates are low– Industry estimates
• $13 billion cost• 11,000 to 34,000 jobs lost
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Cost and Job Impacts – Staff Response
• Industry cost estimates greatly inflated– Incorrectly assumed all fleets must do maximum
turnover and retrofitting every year– Only modeled purchase of new (no used) vehicles– Neglected that vehicles normally replaced over time– Applied inflated PM retrofit costs to small vehicles– Arbitrarily applied retrofits only to engines less than 150
hp
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Cost and Job Impacts – Staff Response Cont’d
• Industry job loss estimates inflated– Simplistic analysis performed– Attributed all regulatory costs to construction industry
• Only 50% of affected fleets
– ARB staff used peer-reviewed UC Berkeley model to estimate jobs lost throughout entire statewide economy
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Ability to Pay
• Industry Claims:– Costs for some fleets too high and not bearable
– Some fleets cannot pass on costs
PM filter on small engine skid steer
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Ability to Pay - Staff Response
• Financial impact for most fleets manageable• Some fleets will need to pass costs to customers
• All fleets operating in California subject to regulation
• Small fleets given until 2015 and exempted from mandatory turnover
• Medium fleets given until 2013
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Bonding
• Industry Claim:– Regulation will reduce construction firms’ ability to bond
projects• Bonding is guarantee that contractor will complete contract,
pay subcontractors
– Regulation will cause firms to borrow money to comply and will reduce working capital, thereby reducing bonding capacity
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Bonding – Staff Response
• Many do not use maximum bonding capacity• Bonding capacity unaffected if costs passed
through • Bonding capacity also based on reputation,
experience, credit history, etc.
• Most small contractors are small or medium fleets and thus get more time to comply
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Timing
• Industry Alternative:– Delay compliance dates by 5 years
Level 2 PM device inside muffler
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Timing – Staff Response
• Would get no benefit in 2014 (key year for SIP)• Would achieve 80% less emissions reductions • Would reduce cost by half
0
10
20
30
40
50
60
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
NO
x (t
ons
per
day)
ARB proposal
Industry proposal
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Regulation Too Weak
• Air District Proposal:– More early NOx reductions are feasible
• 15% turnover for dirtiest fleets • More stringent NOx targets
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Regulation Too Weak – Staff Response
• Proposal would achieve modest additional PM2.5 benefits
• Additional $1 billion in statewide cost– Mostly in first 3 years
• Adds disproportionate impact on older fleets
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Is a Regional NOx Strategy More Appropriate?
• Concept:– Establish regional NOx requirements in South Coast
and San Joaquin Valley– Two different approaches proposed:
1) Keep statewide turnover in place, with additional turnover in these areas, or
2) Don’t require any turnover for fleets that never operate in these areas
– Could work like captive attainment area provisions
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Regional Strategies – Staff Response
• Advantages: – Target NOx reductions where most needed– Potential lower costs for some fleets
• Challenges: – Enforceability uncertain– Isolates South Coast and San Joaquin Valley – Additional complexity– Environmental Justice– Pollutant transport
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Changes To Original Staff Report Proposal
• Tier 4 vehicle counts toward PM retrofit– OEM equipped with filter replacing a lower tier vehicle
• Replacement of diesel with gasoline vehicle
• Adjustment to hours of use provisions • Clarify retrofit accounting provisions
• Clarify compliance credit provisions• Other minor clarifications
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Staff Recommendation
• Adopt with proposed minor changes