REDWOOD CITY (CBS SF) — A Redwood City car wash is taking water conservation during California’s drought, cleaning cars with just one cup of water.

“We do use a cup of water.  When you say waterless, people start thinking, ‘Hey, where’s the lubrication?’ So, there is water, but only a cup,” Eco Green Auto Clean owner Anton VanHappen said.

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The car wash is located in the high-tech haven of Silicon Valley, but uses low-tech solutions to save water, like spray bottles instead of hoses. The bottles also contain secret plant extracts and a chemical designed to lift dirt.

“It’s kind of a car-spa,” said VanHappen.

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Customers definitely appreciate the conservation effort.

“With our drought going on, this is gonna be the best thing since sliced bread,” Tesla owner Gail Rossetti said.

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The nearly waterless wash will set drivers back $35 for a full service.