"At that scale, biomass really just becomes another industrial, internationally traded commodity," Tubby says.
Turning up heat on boiler scheme
Big changes are needed in the government's bio-energy policy, says its own task force leader Big changes are needed in the government's bio-energy policy, says its former task force leader.
15 January 2009 23:00 GMT
Updated
25 November 2012 9:30 GMT
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