Efficiency

Oil giant teams up with Silverstream Technologies to develop friction-reducing bubble system capable of cutting shipping fuel use by up to 10 per cent

New energy efficiency regulations could help around a million tenants who are currently paying £1,000 more than average on their energy bills

Retailer reveals plans for 167 square metre green wall for central Newcastle store

New analysis suggests energy efficiency upgrades have fallen 80 per cent since the winter of 2011/12

Professor Martin Charter outlines the key drivers behind the acceleration of sustainable design up the business agenda

UPDATED: Pilot auction awards £1.28m to help save enough power at peak times to make 37 million cups of tea

Europe to become first place in world to force car makers to undergo more realistic tests in bid to reduce nitrogen oxide emissions

Major new report details how the world's most important emerging economies could be vulnerable to inter-locking sustainability risks

Utility becomes the latest energy giant to launch its own smart heating control system

Andrew Warren reveals how a network of SuperHome open days is helping to inspire carbon-saving improvements