Russia could go 100% renewable by 2030, and cut their energy costs by 20%, say researchers. A study found that the cheapest option for Russia and Central Asia in the long term is to go renewable, based on the abundance of resources in the continent. The researchers, from Lappeenranta University of Technology in Finland, modeled an energy system for Russia and Central Asia based on solely renewable energy resources, including wind, hydropower, solar, biomass and…