KIEV, April 27 – Naftogaz Ukrayiny CEO Andriy Kobolev and U.S. Secretary of Energy Rick Perry on April 19 met in Washington, the press service of Naftogaz Ukrayiny reported.

"The parties discussed ways of enforcing the standard legislation to remedy a number of long-standing noncompliance issues which hinder gas trade in Europe. The two sides have also noted risks posed by projects such as Russia's Nord Stream 2 to competition, energy supply stability, and economic and energy security in Europe," the press service said.