Labour accuses PM of secret deals with big six firms, while charity says cuts to green levies will come at expense of poorest
Green Alliance's William Andrews Tipper argues scaling back energy efficiency schemes will only protect politicians, not bill payers
Environmental Audit Committee warns George Osborne short term bill savings will be reversed if he scales back insulation initiatives
Opposition to publish new Energy Green Paper, including commitment to introduce decarbonisation target and give Green Investment Bank borrowing powers
Guy Newey of Policy Exchange warns that the green movement can not allow climate change rows to draw attention from wider, and related, environmental concerns
Efficiency sector left disappointed as government prepares to announce package of reforms designed to trim £50 a year from consumer bills
Oliver Colvile's inquiry for Carbon Connect concludes government must do more to raise awareness of and access to energy efficiency measures
New polling shows clear majority of MPs still broadly in favour of low carbon transition and energy efficiency measures
Cutting Energy Company Obligation will save billpayers just £47 a year but leave 2.4 million fuel poor households without support
Retail giant's new "carbon neutral" stores have embraced clean technologies, but is the company on track to meet its emissions targets