Related Clues:

• Clean air gp.
• Rater of m.p.g.
• MPG monitor
• Driving org.
• Grp. involved in a cleanup
• MPG rater
• U.S. emissions controller
• Ecol. watchdog org.
• P. Mickelson's tour
• Grp. for Love and Couples
• Org. with lots of clubs
• Org. concerned with PCB's
• Links grp.
• Gov't air checker
• Green grp.