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.
US Economy. In 2016, China was the world's largest economy for the second year in a row. It produced $21.3 trillion in economic output. The European Union was in second place, generating $19.2 trillion. Together, China and the EU generate 33.9 percent of the world's economic output of $119.4 trillion.