Related Clues:

• Air quality tester, for short
• Busy month for 39-Down
• Fuel rate abbr.
• Car loan fig.
• MPG raters
• Superfund org.
• Emissions detecting agcy.
• Fed. regulator since 1970
• Clean-air org.
• Clean air gp.
• Rater of m.p.g.
• Credit card disclosure: Abbr.
• Auto ad stat.
• MPG monitor
• Fig. in car ads