According to Clean Calgary, an award-winning eco non-profit group, using a commercial car wash is greener than spraying the jalopy down in the driveway. Home style carwashes, they say, cause soap, sediment, oil and other chemicals to enter the water system untreated where they have a real impact on aquatic ecosystems.

By contrast, commercial car washes send their wastewater to be properly treated. Believe it or not, commercial car washes are more water efficient than home car washes. See the original article on Clean Calgary’s web site.

But, if your car is spotless save for a few bird bombs, a simple spot clean will do.

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