Premise: In addition, IPM's projections for electric utilities under the Base Case include the NOX SIP Call with a cap on summertime NOX emissions in SIP Call states in 2004 (based on 0.15 lb/mmBtu from 2001) and state-imposed NOX caps in Texas, Connecticut, and Missouri.

Hypothesis: The IPM projections measured NOX and CO2.
Relation: neutral