• BP official says response to trouble on rig was late
• New environmental rules expected to delay offshore drilling
• A lot of close call for offshore oil leading up to Gulf spill
• Range Resources denies EPA claim it contaminated N. Texas water wells
• Wind, solar backers take their case to Congress
• Texas’ power grid launches Nodal plan
• Nation’s oldest nuclear plant to close a decade early
• Argentina finds huge, shale-like gas field
• Shell said it knew ‘everything’ in Nigerian ministries, according to WikiLeaks
• CNOOC invests in Australian coal bed methane
• Diesel shortages in China ease, says Sinopec
• Consortium to invest $1.3bn in Bolivian gasfields
