IRVING, Texas, June 5, 2024 /PRNewswire/ -- Darling Ingredients Inc. (NYSE: DAR), the world's leading company turning food waste into sustainable products and producer of renewable energy, today announced that it plans to reduce emissions from its wastewater treatment plants at some of its rendering facilities by capturing biogas and converting it to renewable natural gas (RNG) in partnership with GreenGasUSA.The initial plan is to start with five Darling Ingredients plants in the United States with the opp ...