PROJECTS Event Venue Entity Additional Information Arizona Diamondbacks professional baseball game. 12-way CFL light bulb educational / promotional display. Bike generator system powering up 12-way light bulb display system. Chase Field Phoenix, AZ APS Utility Company Pedal Power Light Display System At Professional Baseball Game Sheriff Joe Arpaio institutes a system he entitles “Pedal Vision” in which overweight prisoners use a bicycle generator to power television. Maricopa County Jail Phoenix, AZ Maricopa County CNN: Inmates Forced to Bike for TV