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Diesel Regulations Affecting Public Fleets

Diesel Regulations Affecting Public Fleets. Presented for the Public Fleet Supervisors Association January 19, 2006 Diana Acevedo. Agenda. Introduction Background on ARB’s Diesel Risk Reduction Plan Overview of the On-Road Diesel Public Fleet ATCM Upcoming Regulations Questions.

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Diesel Regulations Affecting Public Fleets

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  1. Diesel Regulations Affecting Public Fleets Presented for the Public Fleet Supervisors Association January 19, 2006 Diana Acevedo

  2. Agenda • Introduction • Background on ARB’s Diesel Risk Reduction Plan • Overview of the On-Road Diesel Public Fleet ATCM • Upcoming Regulations • Questions

  3. Introduction Diana Acevedo Staff Engineer/CH2M HILL dacevedo@ch2m.com

  4. Background: Diesel Risk Reduction Plan

  5. Background • In 1998, the California Air Resources Board (ARB) identified particulate matter (PM) from diesel engines as a toxic air contaminant (TAC) • Over 1 million on-road & off-road vehicles • 16,000 stationary engines • 50,000 portable engines

  6. Background • Why is ARB going after diesel PM? • Cancer risk of over 500 cases per million people (on a statewide basis) • Even higher risk for urban areas • South Coast Air Basin: the cancer risk is estimated to be 1000 cases per million people • Compared to other air toxics that ARB has regulated, diesel PM accounts for 70% of total ambient air risk

  7. Background • To address Diesel PM, ARB adopted the Diesel Risk Reduction Plan (DRRP) in 2000 • Goal: significantly reduce diesel PM emissions • Three components: • Stringent standards for new engines • Retrofit requirements for existing engines • Control sulfur-content of diesel fuel

  8. Background • As part of the DRRP, ARB recommended several air toxic control measures (ATCMs) • ATCMs already adopted: • Transit buses • Solid waste collection vehicles • Stationary engines • Portable equipment • Transportation refrigeration engines • Idling controls • 2007 model year emission standards for heavy-duty trucks and off-road equipment • Ultra-low sulfur diesel fuel by mid-2006

  9. On-Road Diesel Public Fleet ATCM

  10. Overview • At the December 8, 2005 Board hearing, ARB adopted the public fleet ATCM • Continuation of the work directed by the DRRP • Does not apply to any public vehicles that were already covered in previous ATCMs: • Solid waste collection vehicles • Public transit vehicles • School buses

  11. Overview • On-road diesel heavy-duty vehicles with a model year from 1960-2006 • Manufacturer’s Gross Vehicle Weight greater than 14,000 lbs • Owned, leased, or operated by any municipality or utility company

  12. Regulatory Approach • Requires that the Best Available Control Technology (BACT) be installed • Vehicle-by-vehicle basis • Phased-in compliance schedule based on engine model year

  13. BACT Definitions • Replace or repower vehicle with an engine certified to the new 0.01 g/bhp-hr PM standard for new 2007 model year engines (catch: not available until 2007); • Replace or repower vehicle with an engine certified to a 0.1 g/bhp-hr standard AND install the highest level verified Diesel Emission Control Strategy (DECS); • Replace or repower vehicle with an alternative-fuel, heavy-duty pilot-ignition, or gasoline engine; or, • Install the highest level verified DECS on an existing engine.

  14. BACT (Cont’d) • DECS devices are verified by ARB to one of three levels: • Level 1 – greater than 25% reduction • Level 2 – greater than 50% reduction • Level 3 – greater than 85% reduction • Responsibility of owner to find highest level of DECS for each engine • Note that Level 1 DECS is not allowed on Group 1 engines (1960-1987) • except for low population counties

  15. Compliance Schedule

  16. Compliance Schedule • Compliance Deadline Extensions: • Early implementation of BACT • Municipalities located in low-population county (less than 125,000 people) • No verified DECS exists • Dual-fuel and bi-fuel engines • Engine near retirement • Use of experimental DECS

  17. Early Implementation Extension • Group 1: If BACT is applied to 50% of vehicles in this group before Dec 31, 2007, then ARB will allow a delay for 100% compliance to Dec 31, 2012 • Similar extension for Group 2

  18. Early Implementation Extension • Because early implementation is voluntary, municipalities may be able to apply for, and receive, incentive funding • For more information on the Carl Moyer Program, go to: • http://www.arb.ca.gov/msprog/moyer/moyer.htm

  19. Engine Near Retirement Extension • Retirement: • Sale outside of California • Scrappage of the engine • Conversion to a low-usage vehicle • If engine is within 1 year of retirement • Get 1 year extension

  20. Exemption • “Low Usage Vehicle” • Operated fewer than 1000 miles or 50 hours per year • 5-year rolling average based on mileage or engine hours of operation • Must still comply with record-keeping requirements, but does not require BACT for these vehicles

  21. More Information • More information can be obtained at: http://www.arb.ca.gov/msprog/publicfleets/ publicfleets.htm • The regulation can be tracked at: http://www.arb.ca.gov/regact/dpmcm05/ dpmcm05.htm

  22. Upcoming Regulations

  23. Diesel Off-Road Equipment • Proposed rule • Aiming for public hearing and consideration by Board in late summer or early fall of 2006 • Applies to diesel off-road equipment >25 hp • Used in construction, mining, and industrial operations • Preliminary Regulatory Concepts posted September 30

  24. Diesel Off-Road Equipment • Approaches include: • Accelerated turnover to cleaner engines • Retrofit with BACT • Idling limitations • Registration, record keeping, reporting, and/or inspections • Next workshop is January 24 in Sacramento

  25. Diesel Off-Road Equipment

  26. Off-Road LSI Equipment Rule • LSI – Large Spark Ignition equipment • Includes forklifts, street sweepers, generators, large turf-care equipment and other equipment • Gasoline and propane powered • New and in-use equipment > 25 hp • ARB issued a “Notice of Decision Not to Proceed” • Regulatory clock ran out • But it’s just a delay – will still happen

  27. Useful Websites • Diesel Risk Reduction Plan • http://www.arb.ca.gov/diesel/dieselrrp.htm • Public Fleets • http://www.arb.ca.gov/msprog/publicfleets/publicfleets.htm • http://www.arb.ca.gov/regact/dpmcm05/dpmcm05.htm • Off-Road Diesel Equipment • http://www.arb.ca.gov/msprog/ordiesel/ordiesel.htm • Off-Road LSI Equipment • http://www.arb.ca.gov/msprog/offroad/orspark/orspark.htm

  28. Questions?

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