FT Energy Source Energy headlines: Saudi king moves to head off trouble

- Saudi’s $36bn to beat unrest – FT

- Libya shutdowns send oil soaring – FT

- Opec’s soothing words fail to calm – The Times (£)

- Nomura warns oil could hit $220 a barrel – The Telegraph

- Why disruption to Libyan oil has led to a price spike – NY Times

- Exxon, Shell ‘hacked via Chinese servers’ – Bloomberg

- Hunt for top-grade crude sources begins – FT

- North Sea ‘has more oil than was thought’ – The Times (£)

- How big is the 2011 oil price shock? – Gavyn Davies, FT

- Rio extends bid deadline for Riversdale – Argus

- Centrica reports higher profits and sales – Reuters

- Centrica signs £2bn gas deal with Qatar – FT

- RWE sees significant pressure on earnings until 2013 – WSJ (£)

- Origin posts loss and flags equity raising – WSJ (£)

- EU outlines ETS security measures – Argus

- Australia to tax carbon from July 2012 – Bloomberg

- Australia electricity prices jump on carbon scheme – Reuters

- Target ‘black carbon’ to tackle climate change, says UN – The Guardian

- Solar energy faces tests on greenness – NY Times

- Google Ventures invests in power-saving technology – Reuters