FILE PHOTO: The logo of French gas and power group Engie is seen on the company tower June 1, 2017 at La Defense business and financial district in Courbevoie near Paris, France. REUTERS/Charles Platiau

PARIS (Reuters) – French utility Engie plans to switch all of its gas operations to biogas and renewable hydrogen by 2050, making it 100 percent green, its chief executive said on Monday.
The power and gas group has some 70 biogas projects worldwide, including 40 in France, and says that if all its projects get approval its annual investment in biogas could soar tenfold to hundreds of millions of euros per year.
Engie, which has sold its fossil gas activities as part of a broader restructuring, is also looking to invest in industrial-scale hydrogen production by electrolyze water in places where solar energy is cheap.
“We will progressively make our gas greener so that by 2050 it can be 100 percent green,” Chief Executive Isabelle Kocher told reporters on Monday.
In May, Engie agreed to sell its oil and gas exploration business for $3.9 billion and …