Redwood City, UNITED STATES
A crew member cleans the window of an automobile at Eco Clean Auto Clean in Redwood City
A crew member cleans the window of an automobile at Eco Clean Auto Clean in Redwood City, California May 12, 2015. The car wash uses no hoses or running water and approximately one cup of water, mixed with a biodegradable formula, is required for each vehicle it cleans, according to the owner. REUTERS/Robert Galbraith