Kosta is a pet form of the name Konstantin (Czech, German, Hungarian, Russian, Scandinavian, and Slavic) in the Slavic language as well as a variant of the name Constantine (English).
Energy Sector. The U.S. energy infrastructure fuels the economy of the 21st century. Without a stable energy supply, health and welfare are threatened, and the U.S. economy cannot function.he U.S. energy infrastructure fuels the economy of the 21st century. Without a stable energy supply, health and welfare are threatened, and the U.S. economy cannot function.
Source: Eurostat, Unctad. 1  The EU is the largest economy in the world. 2  The EU is the world's largest trading block. 3  The EU ranks first in both inbound and outbound international investments.  The EU is the top trading partner for 80 1  countries. The EU is the most open to developing countries.