ST. LOUIS, MO — Rain Tunnel Express will be giving away free washes to people in hybrid cars in honor of Earth Day, which takes place Monday, April 22, according to an story.

The April 16 story said the carwash chain, which includes six locations in Missouri and Illinois, is eco-friendly.

The wash uses less than 30 gallons of water per car and also uses a water reclamation system.

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"Our advanced automated car-wash technology is constantly updated to provide the safest, gentlest, most effective and environmentally friendly system for protecting our customer’s investments, as well as the local ecosystem," the story said.

To read the full story, click here.