The Maricopa County Voluntary Vehicle Repair and Retrofit Program has been suspended due to current economic circumstances that have resulted in a loss of funding for the Program. While the Program is unable to provide financial assistance for vehicle emission repairs, the Air Quality Department recommends that the necessary repair work be completed by ASE (Automotive Service Excellence) certified professionals at an Arizona Green Business repair facility. From its introduction in January 1999 through June 2009, the Voluntary Vehicle Repair and Retrofit Program had been funded by the State of Arizona. From July 2009 through November 2010, the program was funded by an Energy Efficiency and Conservation Block Grant from the U.S. Department of Energy. The Program provided monetary assistance to qualifying owners of older, high-emitting vehicles that had failed a required emissions test. Over the years, the program helped over 11,700 vehicles meet Arizona emissions standards, resulting in the reduction of over 2,100 tons of pollution.

During a fiscal year, employment sites are processed by the Trip Reduction Program. The TRP produces a detailed statistical summary report for each employment and student site. In addition, the TRP Task Force, along with the TRP staff, reviewed and approve Trip Reduction plans. The report tracks and analyzes the commuting habits of employees and students in Maricopa County.

These regulations constitute the legal basis for control of air pollution sources in Maricopa County, Arizona. They are adopted to implement the policy set forth in Title 49 of the Arizona Revised Statutes and to fulfill the State's responsibilities under the Federal Clean Air Act and its amendments to provide a legally enforceable State Implementation Plan for the attainment and maintenance of the National Ambient Air Quality Standards. This printing of the regulations incorporates changes adopted by the Maricopa County Board of Supervisors through January 2011.

These regulations constitute the legal basis for control of air pollution sources in Maricopa County, Arizona. They are adopted to implement the policy set forth in Title 49 of the Arizona Revised Statutes and to fulfill the State's responsibilities under the Federal Clean Air Act and its amendments to provide a legally enforceable State Implementation Plan for the attainment and maintenance of the National Ambient Air Quality Standards. This printing of the regulations incorporates changes adopted by the Maricopa County Board of Supervisors through September 2013.

As part of the Bureau of Justice Assistance’s Smart Policing Initiative, the Glendale Police Department and the Center for Violence Prevention and Community Safety at Arizona State University found that convenience stores -- particularly Circle K's -- disproportionately contributed to crime and disorder in the city of Glendale. The Center reached out to other law enforcement agencies in the Phoenix metropolitan area, and in June 2011, they authored a report based on 2010 data from four cities: Glendale, Mesa, Phoenix, and Tempe. The 2010 report revealed that, when compared to other convenience stores Circle K’s, were disproportionately responsible for crime and disorder, regardless of their neighborhood or city.