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North America

2026-08-20North America

NRDC Outlines Case Against Revision of EPA’s Technology Transitions Rule

2026-08-19North America

Rivacold CO₂ CDUs and R290 Monoblocs Enable Sustainable Retrofit at Vermont Food Co-op

An image of Rivacold's CO2 CDUs installed on the lower roof of the Brattleboro Food Co-op’s Vermont grocery store.

2026-08-14North America

U.S. State Attorneys General Challenge EPA’s Revision of Technology Transitions Rule

California Attorney General Rob Bonta

2026-08-12North America

Pennsylvania Food Processor Installing 185kW Vitalis CO₂ Refrigeration Compressor Rack

An image of the Roxsta G6 CO2 refrigeration system manufacturered by Vitalis for the Pennsylvania facility.

2026-08-07North America

U.S. EPA Proposes Monitoring TFA in Drinking Water

EPA AIM Act

2026-07-23North America

ATMO America: Americold Deploys Single-Stage Transcritical CO₂ Refrigeration at New 542TR Canadian Warehouse

An image of Phillip Walker, General Manager at TechnoRef4, presenting at ATMO America 2026. He talked aobut an Americold Canadian facility using single-stage transcritical CO2 refrigeration.

2026-07-20North America

Industry Roundtable: CO₂ Condensing Units Are Gaining Traction in North America

The CO2One Single Condensing Unit from Hillphoenix

2026-07-13North America

ATMO America: New York Environmental Agency Declares Support for Natural Refrigerants

Suzanne Hagell, NYSDEC

2026-07-10North America

Weekly Wrap-up: A Vitalis CO₂ Heat Pump Cuts a University’s Emissions, Liquid Nitrogen in Transport Refrigeration, Swegon’s New R290 Heat Pump and More

The university of british columbia okanagan campus where a Vitalis CO2 heat pump will be installed.

2026-07-09North America

ATMO America: M&M Carnot Outlines Advantages of CO₂ for Data Center Cooling

An image of John Miranda, Vice President of Sales at M&M Carnot, presenting at ATMO America 2026. He highlighted the benefits of CO2 for data center cooling.

The biweekly briefing

Natural Refrigerant based cooling and heating news, policy and market updates - free, every Tuesday and Thursday.