- Industry thrown into turmoil
- Companies feel effects of Macondo disaster
- Opportunities west of Shetland
- Ice thaws on Canadian oil sands projects
- Huge prize lies under pristine Arctic wilderness
- Shale extraction technology leads to oversupplied market
- Two different disasters will have profound effects on US energy policy
- UK suffers from legacy of North Sea gas abundance
- Plant power seen as only viable long-term alternative to petrol
