Efficiency

The Mail on Sunday is terrified of 'sinister' fridges, but there is no reason to worry about this ingenious energy-saving technology

From passivhaus principles to chillers with doors, BusinessGreen explores the secrets behind Sainsbury's latest eco-store

Despite some big gains, most high-tech companies still lag on clean power adoption and political advocacy for clean energy policies

Unep suggests using the expertise of mining companies – often seen as the environmental villains – to improve recycling

New concentrated solar technology borrows supercomputer cooling system to achieve 80 per cent efficiency

Open Compute Project reveals how social networking giant has improved data centre efficiency by 38 per cent

Energy-efficient lamps now account for 23 per cent of all lighting sales

Watered down bill aims to navigate Congressional barriers

Resource Efficient Scotland programme to offer free advice to help businesses realise energy, water and resource savings

Engineering giant teams up with tech start up to accelerate push into burgeoning machine-to-machine market