Nick takes a tour inside an eco-friendly RV pulled by a truck that runs on vegetable oil

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KANSAS CITY, Mo. -- FOX 4's Nick Vasos met a couple from North Carolina who completely converted an RV into an eco-friendly rig, which runs on vegetable oil.

They are traveling across the country teaching others how to reduce the carbon footprint.

Watch Nick's tour of their home in the video player above!

For more information on how they do it, check out their website: http://www.livesmallridefree.com/