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| Shale gas: an energy saviour? |
| 21.12.10 17:55 |
Economics |
| Over a few years since commercial operations began at scale, shale gas has helped consumer gas prices in the US to fall by about a third; its offered gas security to the US and Canada for maybe 100 years; and its presented an opportunity to generate electricity at half the CO2 emissions of coal. |
| BBC News |
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