GF Blue logo
MenuMENU
SearchSEARCH

ARB Transfers Cleaire Longview Verification to ESW CleanTech

The California Air Resources Board (ARB) has transferred the verification of the Cleaire Longview diesel particulate filter system to ESW CleanTech. ESW CleanTech will sell new systems as well as provide support for existing Cleaire customers.

by Staff
June 17, 2013
1 min to read


The California Air Resources Board (ARB) has transferred the verification of the Cleaire Advanced Emission Controls, LLC (Cleaire) Longview diesel particulate filter (DFP) system to ESW CleanTech, Incorporated (ESW CleanTech). Cleaire ceased operations abruptly on Jan. 18.

ESW CleanTech acquired the Cleaire product line on April 18, completed all the verification transfer requirements specified in the Verification Procedure, Warranty, and In-use Compliance Requirements for In-Use Strategies to Control Emissions from Diesel Engines, Title 13, California Code of Regulations, and will sell new systems as well as provide support for existing Cleaire customers. 

Ad Loading...

The Longview system reduces emissions of diesel particulate matter by at least 85% (Level 3 Plus) and oxides of nitrogen by at least 25% (Mark 1), according to ARB. The system is compatible with on-road vehicles using diesel fuel that contains up to 20% biodiesel.

**Update 6/19/13: The ARB has also transferred verification of the Cleaire Vista DPF system to ESW CleanTech, ARB announced June 18. Cleaire will sell new Vista systems as well as provide support to existing Cleaire customers. For more information, visit the ARB site.

More Green Fleet

A graphic of solar panels.
Green Fleet•by News/Media Release•September 14, 2026

Sustainability Partners, Energy Systems Group Help Albuquerque Close the Gap on its 100% Renewable Energy Goal

The eight-site, 6 MW solar project has advanced the city toward 100% renewable energy for municipal operations.

Read More →
Port Authority's three chargers.
Green Fleet•by Staff Writer•September 8, 2026

Port Authority and CALSTART Launch $45 Million Electric Truck and Charging Programs

The programs aim to boost sustainable operations across the East Coast's busiest seaport.

Read More →
GovCast podcast graphic.
Green Fleet•September 2, 2026

Moving Government Fleets Beyond the Vehicle Purchase: EV as a Service

A discussion on how EVaaS is moving beyond pilot programs and what fleets should consider before beginning a larger deployment.  

Read More →
Ad Loading...
A graphic of EVs and a charger.
Green Fleet•by Nichole Osinski•August 26, 2026

Moving Government Fleets Beyond the Vehicle Purchase: EV as a Service

As fleets move beyond small EV pilots, Sustainability Partners CEO Adam Cain explains how EVaaS can address the infrastructure and long-term planning required for larger deployments.

Read More →
An EV line up vehicles.
Green Fleet•by News/Media Release•August 4, 2026

Peterbilt Expands Sourcewell Partnership with Electric Vehicle Lineup

The agreement aims to provide streamlined procurement of Peterbilt trucks for government, education, nonprofit and tribal organizations across the United States and Canada.

Read More →
Cover of the "Top 50 Green Fleets" report presented by Automotive Fleet and Inspiration Fleet, featuring an aerial nighttime photo of a lit highway interchange with looping ramps.
Sponsored•July 16, 2026

The Top 50 Green Fleets

The List Is in: The Top 50 Green Fleets

Read More →
Ad Loading...
A GovCast podcast logo.
Green Fleet•June 26, 2026

EV Adoption & Charging Challenges

Where is your fleet in the journey of vehicle electrification? If you're still looking for answers to fleet electrification you've come to the right place.

Read More →
Graphic of the Hawaiian Islands with the American Biogas Council logo highlighting Hawaii’s new clean fuel legislation supporting renewable natural gas and biogas energy projects.
Green Fleet•by News/Media Release•June 2, 2026

Hawaii Passes Clean Fuel Policy

Hawaii lawmakers passed clean fuel legislation that could support renewable natural gas production, biogas-powered transportation, and lower-carbon fueling options for public and commercial fleets.

Read More →
Beam Global EV ARC solar-powered charging stations installed in Stanislaus County, California, providing off-grid EV fleet charging with on-site renewable energy.
Green Fleet•by News/Media Release•May 29, 2026

Stanislaus County Deploys Ten Beam Global EV ARC Systems to Support County Fleet Electrification

Stanislaus County deployed 10 off-grid solar-powered EV charging systems and a mobile charging trailer from Beam Global to support its electric fleet operations and emergency response flexibility.

Read More →
Ad Loading...
a battery electriv city bus and a Heliox battery charger
Green Fleet•by Staff Writer•May 26, 2026

Heliox Pilots 480-kW Bus Charger with King County Metro

King County Metro is piloting Heliox’s new 480-kW Flex Pro charger to support expansion of its battery-electric bus fleet and depot charging infrastructure. The compact charging system supports pantograph and plug-in charging configurations for high-density transit operations.

Read More →