Brussels, 28/05/2008 (Agence Europe) - The European commissioner for energy, Andris Piebalgs, accompanied by the Turkmenistan president, Gurbankuly Berdymuhammedov, signed a protocol for an agreement on Monday 26 May. This agreement aims to strengthen cooperation in the energy arena. It also officialises bilateral cooperation on energy in areas that include investment, production, energy technologies, energy efficiency, renewable energies, transport, and energy product trade between the EU...