Related Clues:
- Grp. overseeing toxic cleanups
- Org. founded in 1970
- Air quality tester: Abbr.
- Fed. watchdog
- Emissions tester: Abbr.
- Govt. watchdog
- Certain rating
- Abbr. in car ads
- Ecol. watchdog
- Grp. that rates
- Smog-battling org.
- Pollution stds. setter
- 'Saul and David' composer Carl
- Mileage testing grp.
- Emissions control grp.