Research & Data

Use this portal to filter and search for all of our scientific information.

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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VW grant notice for garbage trucks, etc. May 2023 (updated August 2023)

This is the August 2023 grant notice for zero-emission refuse vehicles, street sweepers, freight switcher locomotives, and port cargo handling equipment.

https://ecology.wa.gov/asset-collections-doc-assets-air-quality-vw-202305vwgrant

VW federal Electric School Bus Grant Awards

A breakdown of VW federal grant awards for electric school buses by county and school district.

https://ecology.wa.gov/asset-collections-doc-assets-air-quality-vw-20200427-vwfed-elecschoolbusawards-alt

VW state settlement allocations

A pie chart showing how the VW state settlement funds are being used.

https://ecology.wa.gov/20200408-vwallocationscircle-alt

NOx reductions alt text document

Arrow showing past & current NOx reductions in comparison to our goal and future reductions using VW settlement funds

https://ecology.wa.gov/20200407-noxreductionsarrow-alt

Questions and Answers - Electric vehicle charging infrastructure along high-traffic corridors

Information on grant opportunities to add electric vehicle charging infrastructure on major transportation corridors in Washington.

https://ecology.wa.gov/20200107-vwfederalcorridorfaq

VW Federal Funds For Ferry

Alternate text for the graphic showing VW federal funds are going towards retrofitting a diesel ferry to electric hybrid

https://ecology.wa.gov/20191022-vwfederalfundsforferry-alt

VW Settlement - Q & A EV charging infrastructure at workplaces grants

Electric Vehicle Charging Infrastructure at State and Local Government-Owned Facilities

https://ecology.wa.gov/20191003-workplace-charging-grants

VW federal settlement electric transit bus awards

Text version of Washington map showing where electric transit bus grant awards were dispersed

https://ecology.wa.gov/06122019vwfedelectransitbus

VW settlement funds distribution

An image showing how the VW settlement funds will be distributed

https://ecology.wa.gov/20190205vwsettlementfundsdistribution-alt

VW state school bus grant awards

VW state school bus grant awards - text version

https://ecology.wa.gov/20181218schoolbusawardedgrants-alt

20181205 Request for info - Public ferries

Request for information for public ferry repower grants

https://ecology.wa.gov/20181205-requestforinfo

2018 School Bus Replacement Preliminary Application Criteria

A criteria supplement to the 2018 Clean School Bus Replacement Application.

https://ecology.wa.gov/2018schoolbusreplacementprelimappcriteria

2018 School Bus Replacement Preliminary Application

A preliminary application to apply for the VW state settlement grant for clean school bus replacement.

https://ecology.wa.gov/2018schoolbusreplacementprelimapplication

2018 Transit Bus Replacement Interest Form 2018

A preliminary application to apply for the VW state settlement grant for transit bus replacement.

https://ecology.wa.gov/2018transitbusreplacementinterestform2018

VW Final Executed Trust Agreements, October 2017

United States' notice of final trust agreement for VW federal settlement.

https://ecology.wa.gov/vwfinalexecutedtrust-agreements

2017 VW affected vehicles registered in Washington.

The text version for the map showing where, by percentage, the affected cars are registered in Washington.

https://ecology.wa.gov/2017affectedvwcars-alt