The ‘Holy Grail’ associated with alternative energy - power grid scale energy storage -- seems to be lastly within reach. So is the ability to help to make electric vehicles much more useful or even user-friendly.For this reason the world’s the majority of influential leaders, ranging from U.S. President Barack Obama to the Leading of The far east as well as famed multi-billionaire Warren Buffett, are all heralding an exotic commercial metal called vanadium.