The interest for renewable energy and energy efficiency is common for Hungary, Serbia and Romania. The promotion of energy programs, creation of legal background, developing the renewable energy market and reaching of different targets are only some of the common objectives of these countries. ENREGENERGIA REGENERABILA®, Romania's Euro regional energy trade fair on renewable energy and energy efficiency, comes back with the fourth edition. The trade fair will take place in Arad, between 7th to 8th Marchl 2013 at Expo Arad International. This event became known since 2009 as the most important platform for key players and experts to exchange know how and do business.The international trade fair and conferences expect you with topics like: solar energy, biomass, hydropower, heat pump, geothermal energy and  energy efficient construction and renovation. The Solar Park, Biogas Street & Hydropower Avenue are separate trade fair areas, where more exhibitors from these fields will gather in order to be found easier by the specialised visitors.  For further information about ENREG ENERGIA REGENERABILA®, you can visit the trade fair website.