International Eni Award 2020. The Energy Frontiers award for research into renewable energy sources and energy storage has been awarded to Bharat Ratna Professor C. N. R. Rao for his work on metal oxides, carbon nanotubes and other materials, as well as on two-dimensional systems, including graphene, boron-nitrogen-carbon hybrid materials and molybdenum sulfide (Molybdenite-MoS2) for energy applications and green hydrogen production.