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California Air Resources Board

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green trees line both banks of the sacramento river. the yellow tower bridge crosses the blue water leading to the tall buildings of the sacrament skyline. the scene is set against a clear blue sky.

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Reports
OGV Emissions Measurement Reports and Publications
Reports
Effect of Biodiesel on Emissions from a Tier 2 Marine Propulsion Engine (Revised)
Reports
Effect of Biodiesel on Emissions from a Tier II Marine Propulsion Engine
Reports
Emissions from a Harbor Craft Vessel Using Retrofit Emission Control Technologies
Reports
Evaluating Emission Benefits of a Hybrid Tugboat
Notice
Public Webinar Notice on March 5, 2020
Reports
Commercial Harbor Craft Tier 4 Feasibility Report
Notice
CHC December 2018 Workshop Materials
Notice
FARMER Program - March 2018 Board Hearing
Reports
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Semi trucks
the TruckStop

Diesel truck information

Electric car charging
DriveClean

Buying guide for clean and efficient vehicles

Smoke stacks
Breathe Well

Air quality in your neighborhood

Contact Us

(800) 242-4450  |  helpline@arb.ca.gov 
1001 I Street, Sacramento, CA 95814
P.O. Box 2815, Sacramento, CA 95812

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California Governor
Gavin Newsom Opens a New Window.
Secretary for Environmental Protection
Jared Blumenfeld Opens a New Window.
Chair, California Air Resources Board
Liane M. Randolph Opens a New Window.

The California Air Resources Board is one of six boards, departments, and offices under the California Environmental Protection Agency.

  • CalEPA
  • CalRecycle
  • DPR
  • DTSC
  • OEHHA
  • SWRCB

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