Green Car Wash Sanitizes Without Soap - NBC Southern California

    Green Car Wash Sanitizes Without Soap

    A car wash in Arizona installed a water filtration tank allowing high levels of oxygen to sanitize the water they use to clean customers' cars — all without soap. An environmental engineer at Arizona State University is skeptical about the car wash's filtration system. (Published Monday, Aug 5, 2013) A car wash in Arizona installed a water filtration tank allowing high levels of oxygen to sanitize the water they use to clean customers' cars — all... See More