BIOFUELS: Tyson sells off half-ownership in renewable diesel venture Amanda Peterka, E&E reporter Published: Wednesday, May 21, 2014 Tyson Foods Inc. is selling its 50 percent stake in a $150 million renewable diesel plant in Louisiana. Please subscribe to Greenwire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.