DOE

Government support for start-up solar company likely to raise spectre of bankrupt Solyndra

Republicans seek to counter Obama's 'war on coal'

First grid-connected, commercial-scale tidal device set to come online in October off the coast of Maine

New system gives drivers real time data on which charging points are available in eight countries

Report identifies five minerals used to make wind turbines and electric cars that are likely to face supply challenges through to 2015

Energy secretary spends more than five hours facing House Committee questions, hours after bankrupt solar company postpones sale until next year

Governments and businesses to face fresh calls to agree an emission-cutting plan at the forthcoming Durban summit

The US government's loan programme is encouraging new technology and creating sustainable jobs - the UK should follow suit

Three solar plants and a nationwide rooftop scheme net billion dollar deals ensuring controversial programme ends with a bang

Two solar plants finalise deals before end of week deadline, as details emerge of bankrupt Solyndra's whistling robots