| U.S. General Accounting Office |
| Survey of State and Local Air Pollution Control Officials (GAO-04-337SP) |
| Q16. To what extent do you believe that the PSD/NSR program as they existed prior to December 31, 2002 decreased or increased the willingness of regulated entities to make investments that would improve the energy efficiency of their production processes? |
| Decrease | No change | Increase | Not able to judge | No answer | Number of respondents |
| 12 | 19 | 7 | 7 | 0 | 45 |