| Section No. | Description |
|---|---|
| Section 504.2 | Prohibitions by order (certifying powerplants under section 301 of FUA, as amended) |
| Section 504.5 | Prohibitions by order (case-by-case) |
| Section 504.6 | Prohibition against excessive use of petroleum or natural gas in mixtures--electing powerplants |
| Section 504.7 | Prohibitions against excessive use of petroleum or natural gas in mixtures--certifying powerplants |
| Section 504.8 | Environmental requirements for certifying powerplants |
| Section 504.9 | Purpose |