Although challenges like global climate change and oil depletion will increasingly drive fuel selection, increasing bioenergy use is only one of many possible responses to these problems. Present biomass liquid fuels are almost all derived from food crops, but their potential for further...

Although challenges like global climate change and oil depletion will increasingly drive fuel selection, increasing bioenergy use is only one of many possible responses to these problems. Present biomass liquid fuels are almost all derived from food crops, but their potential for further...

The paper aims to identify both the major changes that have occurred in the energy sector during the past thirty years and the key driving forces that explain these changes. After a review of the key concepts provided by economic theory in order to analyse technical change in Section 2, Section...