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12Dec

By Steve Schaeber, MACS Technical Editor The mobile air conditioning industry has, so far, used R-1234yf refrigerant primarily in passenger vehicles and light duty trucks. Although MACS has reported on…

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09Sep

By Steve Schaeber, MACS Technical Editor On September 26th, US EPA finalized two rules that will reduce the projected growth and emissions of HFCs (hydrofluorocarbons), a class of chemicals that…

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10Oct

By: Elvis Hoffpauir On July 2, 2015, the final rule Protection of Stratospheric Ozone: Change of Listing Status for Certain Substitutes under the Significant New Alternatives Policy Program http://www.epa.gov/ozone/snap/regulations.html was…

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09Sep

By Steve Schaeber, MACS Technical Editor An important part of MACS Section 609 Certification is a history lesson, discussing the series of events that led to the rules and regulations…

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07Jul

On July 2, 2015, the final rule Protection of Stratospheric Ozone: Change of Listing Status for Certain Substitutes under the Significant New Alternatives Policy Program was signed by EPA Administrator…

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03Mar

by Jacques Gordon To anyone who has been following along, it looks more and more like the auto industry will never have one universal air conditioning refrigerant. That means we…

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