Bloomberg Building solar and wind farms has started to become a cheaper proposition than running aging coal and nuclear generators in parts of the US, according to financial adviser Lazard Ltd. Take wind: Building and operating a utility-scale farm costs $30 to $60 a megawatt-hour over its lifetime, and that can drop to as low as $14 when factoring in …

Bloomberg Oil closed at its highest in more than two years for a second day as support grew for OPEC to prolong output cuts, while supply threats abounded. Futures jumped 2 percent in New York, closing above $55 a barrel for the first time since July 2015. While Nigerian militants and Venezuela’s debt woes imperil crude output from two of …

Bloomberg Baghdad’s talks with Turkey about ramping up oil exports from northern Iraq, including the semi-autonomous Kurdish region, is complicated by a $4 billion debt that the Kurds owe to Turkey, according to Iraq’s oil minister. Iraq is seeking an agreement with Turkey for all exports from the north, including the Kurdish region and the disputed province of Kirkuk, through …