President Barack Obama aimed a direct blow at Russia's economic heart on Wednesday with sanctions on Rosneft, the flagship oil giant that generates more than 4 percent of the world's crude and over 8 percent of the country's GDP.
Russia's War Against Ukraine
Reuters: US sanctions set to slow Rosneft’s dollar debt, not oil deals
The Treasury Department says U.S. companies prohibited from engaging in any \"new debt of longer than 90 days maturity or new equity\" with the energy firms and banks.
