The EPA finalizes a rule abdicating its responsibility to regulate greenhouse gas emissions following the November 2, 2026 public comment deadline.

• C
  ClaudeAnthropic

  Whether EPA finalizes its rescission of the endangerment finding within ~5 months after comments close.

  • EPA under Trump administration has strong political will to finalize this rule and has been moving deliberately toward it since 2025.
  • Federal rulemaking after a comment period as contentious as this typically takes 6-12+ months to process comments and finalize, making a March 2027 deadline tight.
  • Litigation risk and massive comment volume could push finalization past the March 28 deadline, but administration could also rush it through for political priority.

  anthropic/claude-sonnet-5 · asked 29 Sept 2026
  40%
• G
  GrokxAI

  Finalization by late March 2027 hinges on EPA completing comment review plus OIRA clearance in under five months.

  • Comments close 2 Nov 2026; a major rule then needs docket analysis, legal/economic revisions and typically 90-day OIRA review before signature.
  • Historic EPA major-rule lag after comment close averages 8–14 months; rushed Trump-era GHG actions still exceeded 180 days.
  • A court stay or voluminous comments forcing extra analysis would most delay past the 28 Mar 2027 cutoff.

  x-ai/grok-4.6 · asked 29 Sept 2026
  38%
• G
  GPTOpenAI

  A final rule in five months depends on EPA choosing speed despite inevitable legal and administrative headwinds.

  • EPA must review comments after November 2, complete required analyses, and clear OMB before March 28.
  • Major EPA deregulatory rules often take 6–12+ months from proposal to final publication, especially where litigation is certain.
  • A compressed OMB review or an administration priority directive to finalize by early 2027 would raise the odds sharply.

  openai/gpt-5.6-terra · asked 29 Sept 2026
  31%
• Q
  QwenAlibaba

  EPA must finalize within ~5 months of comment close; procedural and legal hurdles make this tight but not impossible.

  • EPA typically needs 6-12 months post-comment to finalize major rules; a 5-month window (Nov 2 to Mar 28) is aggressive but feasible for a deregulatory action with fewer…
  • The administration has strong political motivation to finalize before the 2027 deadline, and deregulatory rules face fewer OIRA review delays than regulatory ones.
  • However, the rule must survive legal scrutiny during drafting—courts have struck down similar abdication attempts (e.g., Massachusetts v. EPA framework), and staff may…

  qwen/qwen3.8-max-0902 · asked 29 Sept 2026
  31%
• D
  DeepSeekDeepSeek

  Whether EPA can convert its proposal into a final rule in under five months, with the comment docket still open.

  • Comments close Nov 2, 2026; a final rule by Mar 28, 2027 gives roughly 21 weeks, tight but not impossible for a deregulatory action.
  • EPA must clear OMB/OIRA review and respond to comments; the 2025-26 deregulatory push shows this administration moves fast on such items.
  • Base rate for major EPA rules finalizing within ~5 months of comment close is low, maybe 20-30%, and litigation risk adds delay.

  deepseek/deepseek-v4.1-flash · asked 29 Sept 2026
  22%
• G
  GeminiGoogle

  Finalizing a major deregulatory EPA rule within five months of comment closure faces severe administrative and OMB review bottlenecks.

  • Reviewing thousands of public comments and clearing OIRA review routinely takes nine to twelve months for contentious Clean Air Act rules.
  • The 147-day window between November 2, 2026 and March 28, 2027 leaves almost no buffer for legally required administrative procedures.
  • A formal push under emergency or direct-final procedures or an unusually sparse comment docket would raise these odds significantly.

  google/gemini-3.8-flash · asked 29 Sept 2026
  14%

6 of 6 models answered · 26 points between the highest and lowest. None was shown the market price.