Investment

UK start-up details plans to develop an ultra-efficient internal combustion engine which could halve fuel consumption

Prime minister Julia Gillard makes last-ditch carbon trading pledge as polls show election is too close to call

But share price still slips on concerns over 2011 demand

New Woodland Carbon Code to offer reassurance that tree-planting projects really capture carbon

UN confirms four Chinese HFC emission reduction projects are now under investigation

Company outlines plans for new 100MW biomass power plant on the south coast

Infinity Power Systems and 24M celebrate completion of successful funding rounds

Minister says that recently introduced trading scheme is working

Turbine manufacturer blames credit crunch for weak quarterly results, but insists long-term outlook remains strong

Adrian Reed, UK director at European investment bank Altium, outlines the steps clean tech firms need to take to help secure financial backing