Brookfield Renewable, a publicly traded limited partnership that owns and operates renewable power assets, agreed to invest $500m in California Bioenergy, a developer of dairy digesters for generating renewable electricity and vehicle fuel in California. "This partnership with Brookfield is another positive step forward in expanding our carbon negative renewable natural gas and electricity businesses. Our methane capture and refining projects are delivering significant environmental benefits, improving economics for our farm partners and supplying clean burning diesel and gasoline replacement fuels. With Brookfield as an investor and a strategic partner we intend to continue to expand our important work with agricultural feedstock partners to produce more carbon negative fuels and food that clean and feed the planet," N. Ross Buckenham, CalBio Chairman and CEO.