Welcome to your weekly EPA update, where we cut through the noise to spotlight what's changing our air, water, and world. This week’s top headline: The EPA just postponed its perchlorate drinking water proposal deadline to January 2, 2026, after the longest federal shutdown in history delayed things from November 21, 2025. Perchlorate, that sneaky chemical in rocket fuel, fireworks, and airbags, contaminates water in arid spots like the Southwest—think potential thyroid risks for kids and pregnant women.
On regulatory fronts, EPA's tweaking HFC rules under the AIM Act to ease transitions. Higher-GWP equipment made before January 1, 2026, can now install until 2027 for variable refrigerant flow systems, and until 2026 for residential AC—buying time so builders aren't stuck with stranded inventory. Meanwhile, the proposed Renewable Fuel Standards for 2026-2027 slash RIN credits for imported biofuels to half, boosting U.S. energy independence and rural jobs. Total renewable volumes? Aiming for 24.02 billion gallons in 2026, up to 24.46 in 2027. Public comments close August 8, 2025, with final rule by October.
These moves hit home differently. Citizens get safer tap water timelines and lower climate pollution from cleaner fuels and refrigerants—EPA's strategic plan eyes GHG cuts through 2026 models. Businesses face adaptation costs but gain domestic biofuel edges; importers take a hit. States and locals prep for WOTUS comment deadlines through January 5, 2026, shaping wetland protections. Globally, HFC phase-downs align with international pacts.
EPA Administrator Michael Regan notes, "We're balancing innovation with safeguards." Experts at NRDC pushed the perchlorate delay, stressing the May 2027 final rule.
Watch for RFS finalization this fall and WOTUS comments now. Dive deeper at epa.gov, submit input on regulations.gov. Your voice matters—comment today!
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