The Restaurant Brands International-owned company said the new lemongrass-fed beef will be used in Whoppers at some restaurants in Austin, Los Angeles, Miami, New York and Portland beginning Tuesday.
Burger King said the new formula is “open source and fairly simple to implement,” and the company worked on it with with professors from the Autonomous University at the State of Mexico and University of California, Davis. Lemongrass is purported to help cows release less methane during the digestion process.
According to the Environmental Protection Agency, around 50% to 65% of all methane emissions come from human activities, including factory farming.

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