(ADPnews) - Feb 1, 2010 - Spanish infrastructure and renewable energy company Acciona (MCE:ANA) has been picked as a "Gold Class Sector Leader" and appeared in "The Sustainability Yearbook 2010", published by accountant and business adviser PriceWaterhouse Coopers (PwC) and rating agency Sustainable Asset Management (SAM), the company said in a press release today.