Clean Air Markets

CAIR Frequent Questions – Non-CAIR States

Q: What are the advantages to non-CAIR states to opt in?

A: In general, states may not opt in to CAIR. However, there are special provisions for RI and NH since they have been part of a region-wide NO_x trading program in the past. (See 70 FR 25257 and 25290.) Advantages include regional trading partners for their sources and in RI’s case, not having to find another NO_x SIP Call strategy for its current program.

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