On April 14th, 2011, the European Solar Thermal Industry Federation (ESTIF, Brussels, Belgium) and the European Heating Oil Association (Eurofuel, Brussels, Belgium) released a statement advocating thermal/conventional hybrid solar boiler systems. The organizations also questioned new eco-design and energy labeling measures, and called for greater recognition of hybrid systems in labeling. "The EU’s new Energy Efficiency Plan stressed once again the massive potential for primary... Continuar leyendo