CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 96—NO X BUDGET TRADING PROGRAM AND CAIR NO X AND SO2 TRADING PROGRAMS FOR STATE IMPLEMENTATION PLANS > SUBPART E—NO X Allowance Allocations (§96.40 to §96.42)