What will it take for green energy to overtake fossil fuels as our main source of power?

(Natural News) Japanese researchers from three prestigious academic institutions took a hard look at the kind of technology needed by the hydrogen-based green energy industry to successfully compete with the fossil fuel energy industry. They estimated that Japan needs a new generation of cheap rechargeable batteries to produce clean, renewable fuel at cost-effective rates. Aside from the technology levels, the joint study also considered...