After learning that Amtrak is conducting tests of a beef tallow-based biodiesel fuel on its Heartland Flyer route between Oklahoma City and Fort Worth, PETA has dispatched a letter to Joseph Boardman, Amtrak's president, CEO, and director, offering to pay to wrap the train with an ad touting the environmental benefits of a vegan diet. The ad would read, "Go vegan. Get on track to save the planet! PETA." In the letter, PETA points out that in addition to causing immense animal suffering, animal agriculture is a leading cause of greenhouse-gas emissions, so a fuel made from cows is anything but ecologically sound.

"There aren't enough carbon offsets to undo the environmental damage that factory farms cause, but Amtrak can help 'offset' its ill-advised decision to use beef-based biodiesel by sending a message about the benefits of going vegan," says PETA Executive Vice President Tracy Reiman. "No industry threatens the planet more than factory farming, so if you really want to go green, you should go vegan."

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