PetroChina, Sinopec and CNOOC to invest in hydrogen and wind energy | REVE News of the wind sector in Spain and in the world

PetroChina, Sinopec and CNOOC to invest in hydrogen and wind energy | REVE News of the wind sector in Spain and in the world: 

China’s state-owned power producers described initiatives to develop hydrogen and wind power after their profits fell along with the price of oil in the first half, but their renewable energy projects could take years to materialize.