diesel engine and emissions overview in oregon diesel work ......• 32,000 gallons fuel co2 21% bc...
TRANSCRIPT
![Page 1: Diesel Engine and Emissions Overview in Oregon Diesel Work ......• 32,000 gallons fuel CO2 21% BC 79% Climate Change Benefit . Oregon Clean Diesel Initiative •Burn Cleaner Fuel](https://reader034.vdocuments.us/reader034/viewer/2022050100/5f3f909cf934dc1c97747580/html5/thumbnails/1.jpg)
Kevin Downing
Oregon DEQ
503.229.6549
Diesel Engine and Emissions Overview in Oregon
Diesel Work Group
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Diesel and Air Quality
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Particle Size Matters
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Diesel Engines and Air Quality
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Diesel Engines and Air Quality
Reduction Targets To Meet Diesel PM
Benchmark
89-92 %
Depending upon the source category
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From Hansen and Saito, 2001
Climate Change Agents
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Relative Radiative Forcing BC v. CO2
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Radiative Forcing Temperature Response
Short Lived Climate Forcings
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Climate Change
Camilo Mora et al., The projected timing of climate departure from recent variability, Nature, October 2013
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Black Carbon Project Benefits
Repowering engines saves fuel, reduces emissions • 2.4 T PM • 32,000 gallons fuel
CO2 21%
BC 79%
Climate Change Benefit
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Oregon Clean Diesel Initiative
• Burn Cleaner Fuel
• Burn Fuel Cleaner
• Burn Less Fuel
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Clean Diesel Initiative
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Burn Cleaner Fuel
• ULSD • Biodiesel • Renewable Diesel • Natural Gas • Propane • Electric
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Burn Fuel Cleaner
• Catalyst oxidizes CO, HC to harmless gases
• Trap prevents particulate emissions to open
air; catalyst oxidizes the particulate,
regenerating the trap
• Can reduce total particulate emissions by up
to 95 %
• Better toxic reduction (carbonyl & PAHs) than
CNG
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Burn Less Fuel
Upgrading engines to reduce fuel consumption
Improving fuel economy
Reducing Idling
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Clean Diesel Projects
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From:
Alternative Diesel
Fuel Symposium,
August 2003,
California Energy
Commission
Cost Effectiveness of Alternative Controls
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Cost $ 296,000
Benefit $1.2 million
Port Emission Reduction Grant
Replace 23 trucks
Retrofit 3 cargo handlers
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Projected Diesel PM Risk in Oregon
0
5
10
15
20
25
30
1996 2002 2010 2018 2026
Can
cer
risk p
er
mil
lio
n
2017
Reduce risk to
1 in 1 million by 2017
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Oregon Sources of Diesel PM - 2011
DEQ 2011 Emission Inventory
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Oregon Heavy Duty Truck Fleet
Oregon
based
54,952
Multi state
320,090
2007 and older
2008 and newer
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Oregon Heavy Duty Truck Fleet
Multi-
state
320,090
Oregon
based
54,952
2007 and older
2008 and newer
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Oregon Non-road Diesel ≥ 25 HP
By Emission Tier
EPA NONROAD Model
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Clean Diesel Challenges
• Benefits are disbursed and in the future
• Solutions come at a cost
• Can require substantial effort
• Legacy problem
• Voluntary vs. regulatory
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Clean Diesel Opportunities
• Addresses a serious need
• Solution readily available
• Cost effective
• Substantial gains in protecting public health and
the environment