Dyesol Limited has been awarded an “A-” rating in the industry category of Renewable Energy and Energy Efficiency by Oekom Research, a German-based sustainable investment rating agency. Dyesol was formerly rated “B+”. In addition, it is classified as “Prime,” meaning it “ranks amongst the world’s best companies in its industry.” The “A-“ or “excellent” rating is based on a composite of a social and an environmental rating. It is also the equal highest rating awarded in Oekom’s un...