The Disneyland Railroad steam trains are powered by french fry oil.

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With One Man’s Junk, we see how the Walt Disney Company represents environmental sustainability through its unique approach to powering one of its attractions: cooking oil.

Since 2009, the Disneyland Railroad steam trains have been powered by bio-diesel manufactured from used cooking oil, which has saved approximately 200,000 gallons of petroleum diesel each year since then according to Disney Parks Blog.