Bloomberg Oil posted its biggest weekly drop in four weeks amid questions over the effectiveness of OPEC’s deal to help rebalance the market as US production continues to grow. Futures slid 1.5 percent in New York. Russia’s most powerful oil boss said output curbs by OPEC and its partners probably won’t succeed over the long term as US shale fills …

MOSCOW / Reuters Saudi Arabia Energy Minister Khalid al-Falih said further oil output cuts could be needed in the future but that OPEC and other leading producers would assess the market situation in July, Russia’s TASS news agency reported. The Organization of the Petroleum Exporting Countries (OPEC) and other nations led by Russia agreed last week to extend a deal …

Bloomberg One of the stodgier corners of the energy industry is getting more relaxed. Liquefied natural gas sellers, which once did business almost entirely on long-term, oil-linked contracts, are offering shorter deals, more pricing options, unrestricted shipping terms and in some cases are even willing to invest in the infrastructure their buyers need to import the super-chilled fuel. “In the …