environmental update - portable engine atcm
Post on 23-Jan-2017
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Portable Engine ATCMPOTENTIAL CHANGES
Draft ATCM Changes
Emission Reduction StrategiesTier phase out for all fleets:
Fleet defined as all engines operated in California owned by a single entity– Small fleets are 750 total bhp or less, large fleets are
>750 total bhp – Each military installation will be it’s own fleet– Pre-2007 on-highway engines will be treated as Tier 3 for
phase out
Draft ATCM ChangesLarge fleets have fleet average option:
Criteria for large fleets to use fleet average—All engines in fleet subject to ATCM must be registered in
PERP—Must submit a request by 2019 to use option—If fleet has unpermitted engines after 2019, out of fleet
averageRetrofitted engines exempt from phase-out requirements
—Must have verified Level 3 diesel particulate filter
—Still included in Fleet Average option for large fleets
Draft ATCM Changes Low-use and emergency-use engines exempt from
fleet requirements— Low-use engines increased to 200 hr/yr— Must designate Tier 1 & 2 engines 6 months prior
to phase-out — Can’t convert Tier 1 & 2 to regular use unless
exceed limitation— Separated by size category (<175, 175 - 750, >750)
— Two extra years for phase-out OR— Double count T4 in fleet average for first two
dates
Benefit for fleets in compliance with 2017 fleet standards
Benefit for removing Tier 1 and Tier 2 engines early— Must be removed from service in California— Remove all Tier 1 by 1/1/2019 and Tier 2 (≤750 bhp) by
1/1/2020 — Extra 2 years for Tier 3 (including flex) on phase-out
schedule only
Portable Equipment Registration(PERP)
• INITIAL REGISTRATION NOT AFFECTED, CURRENT TIER ONLY
• PERP RENEWAL APPLICATIONS WILL CONTINUE TO BE ACCEPTED
• TIER O ENGINES REMOVED BY JANUARY 1, 2017 ( INCLUD ING LO W USE AND
EMERGENCY)
Next Steps
• PUBLIC WORKSHOP ON 11/10/2016 IN SACRAMENTO
• FINAL DRAFT LANGUAGE BY Q1 OF 2017
• GO BEFORE CARB BY MARCH 2017
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