Sustainable power company ENER-G (www.energ.co.uk) is marking the 25th anniversary of its global combined heat and power (CHP) business, launched in 1984 following pioneering research and development work by Manchester academics. Founded as Manchester’s first spin-out business, Combined Power Systems (CPS) has since become part of Salford-based ENER-G, which turns over £90 million and employs [...]