The dramatic drop in crude oil prices is in large part because of “aggressive” output in the United States, but OPEC still factors in, a Russian minister said. Crude oil prices declined 5 percent Wednesday after a federal U.S. report revealed dramatic gains in crude oil storage and production levels. The U.S. shale oil boom that evolved over the last decade put negative pressure on crude oil prices, leading to an ultimate plunge below $30 per barrel last year. That compared with a period three years ago where oil above $100 per barrel was relatively common. Russian Economic Development Minister Maxim Oreshkin was quoted by Russia news agency TASS as saying the resiliency of U.S. shale to lower crude oil prices was putting a ceiling […]