A campaign has been launched to promote the benefits of using biomass as a source of renewable energy.
It is being led by European Union-funded group Usewoodfuel Scotland, a partnership between Forestry Commission Scotland, the Scottish government, Scottish Enterprise and Forest Research.
The aim of the initiative is to raise awareness of the benefits of wood fuel as a source of heat in office buildings and homes.
Usewoodfuel notes that the Scottish economy benefited by more than £25 million a year from producing and burning wood fuel.
"Burning wood for heat benefits the environment and supports rural economies – it gives users and suppliers a true 'fuel good' factor," said Rebecca Carr, renewables adviser for Forestry Commission Scotland.
Forth Energy, the firm behind a planned biomass plant in Dundee harbour, recently claimed that the current planning system is restrictive, which could prevent growth in the biomass industry in the coming years.
Typical Guttridge equipment used in the biomass industry includes:
