Energy World, No 146, April 1987

Contents include:

The influence of energy on social and economic change: Third in a series ofpapers given to the World Energy Conference last year: this paper formed part of the session on the intereactions between energy choices and socioeconomic factors.  John M W Rhys BA MSc PhD; Charles H Davies BA MSc

The role of petrography in the classification and combustion of coal.  C Hough and Dr A Sanyalt

Energy Efficiency Year achievements.  Rt Hon Peter Walker MBE MP, Secretary of State for Energy

The president-elect: Dr E G Masdin FEng