That, in turn, would severely undercut the credibility of Europe's carbon market as a key element of the bloc's goal to reduce emissions 20% from 1990 levels by 2020.

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Bioenergy is also a crucial element in the country's energy sector, supplying almost 20% of total primary energy consumption.

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But Ms Stirling added that a second element, where the UK government would provide a loan of up to 20% of the equity, repayable once a home was sold, was for England only.

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They are no longer prepared to sign up to 20- or 30-year franchises as long as a key element of risk, the state of the track, remains outside their control.

ECONOMIST: A better way to run a railway

Cyber security is a crucial element for the 28-nation alliance to adopt at its summit of leaders in Lisbon November 19 and 20, US Deputy Defense Secretary William Lynn said in Brussels.

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