Deliveries are also possible by rail.
Rosneft Trading SA has come under sanctions.
Negotiations are held by the German Ministry for Economic Affairs.
The state will not be able to do without the help of Western companies, says the US Secretary of Energy.
Dominion Energy Inc and social media giant Facebook have joined hands in a 100-MW solar project in Virginia.
Compared to July 31, oil prices fell down on 13%.
During 2 years of Trump’s Presidency 23 400 MW of electricity production capacities from coal was closed.
U.S. CO2 emissions have fallen to their lowest level in a generation since 1990.