With much of the Western U.S. experiencing an unprecedented drought, we all need to chip in and cut back our water consumption. Now, a car wash might seem like an unnecessary luxury, but cars get dirty, and need to be cleaned — and there are ways to do it responsibly. Anton Van Happen of Redwood City, California’s Eco Green Auto Clean car wash has come up with a way to clean an entire car with just a cup of water. Here’s how he does it.
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