Business Green: It might be the oldest form of harnessable energy known to man, but that has not stopped the humble lump of wood enjoying something of a renaissance in recent years as governments across Europe look for a cost-effective and reliable way to curb carbon emissions. Now the stellar growth enjoyed by the continent’s emerging biomass power industry is set to accelerate further, according to a new study from German energy consultancy ecoprog and research institute Fraunhofer UMSICHT, which …