FT Energy Source Energy headlines: US sues BP

- BP sued in $21bn US Gulf spill action – FT

- BP ‘failed to move safety strategy offshore’ – Argus

- BP suffered Azerbaijan leak, says Wikileaks – FT

- Big oil sells assets at record pace as China inflates prices – Bloomberg

- Oil sands report charges lax oversight – NY Times

- Icahn agrees to buy Dynegy for $665m – FT

- China’s push into wind worries US industry – NY Times

- Huhne heralds green energy upheaval – FT

- The biggest energy market shake-up in 25 years – Chris Huhne, The Telegraph

- Chris Huhne admits green bank may be scaled back – The Guardian

- Senate votes to extend ethanol subsidy for 2011 – Reuters

- Japan to impose higher environmental taxes – Argus

- Ghana enters new era with oil field launch – FT/Reuters

- ‘Resource curse’ looms over southern Sudan – FT

- Why Cancun gives us hope – The Guardian

- Origin and CLP acquire Australian power assets – FT