David Cameron says Growth and Infrastructure Bill will unlock billions of pounds of new investment in energy projects

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

New proposals will limit crop-based biofuels' contribution to renewable energy targets but fail to take indirect emissions into account

President insists his 'all of the above' policy will ensure energy independence and denies accusations he is trying to crush coal

Number of permits to be withheld temporarily from auction will be accompanied by 'menu' of longer term options to boost carbon price

Developers call for tax breaks for investments in smaller clean energy projects as way of bridging funding gap

New Green Alliance and WWF report calls for efficiency feed-in tariff to be part of Energy Bill ahead of crucial ministerial meeting this week

From falling clean energy investment to wind turbine turbulence, BusinessGreen runs down the best of the week's news and analysis

Vice President Joe Biden defends loan guarantee programme and pressures candidate Paul Ryan into admission during last night's debate