Efficiency

UK firm teams up with Holland's largest utility to roll out smart energy system in its first major European deal

A small start-up made a big difference by transforming the market for cell phone displays

Matthew Spencer argues that simply encouraging people to switch energy suppliers can never bring household bills down

Green Grid report argues outdated approaches to datacentre cooling are wasting millions of pounds on energy bills

Sales of ultra-efficient LED lighting up 51 per cent for global consumer electronics giant

One executive suggests water conservation should become as desirable as stopping smoking

Government backs up £125m Green Deal incentive fund with £40m of support for community-level efficiency initiatives

Households installing efficient boilers and insulation to receive government-backed cash payments

Will Nichols reveals how Rezidor expects to save €25m and cut energy use by a quarter through its new Think Planet initiative

All public spaces will be fitted with energy efficient lights after Radisson and Missoni owner signs major deal with Philips