drilling
Det Norske buys Marathon Oil’s assets
Oil explorer controlled by one of Norway’s richest men transforms itself into one of the country’s biggest producers with $2.1bn Marathon Oil move
US carbon curbs raise hopes for Paris deal
President Barack Obama on Monday will announce curbs on coal-fired power plant emissions, raising hopes of a global deal on greenhouse gases
Carbon emissions: hot and coal
The situation is less grim at utilities but coal miners were in trouble even before the new standards
