FHFA statement could bring PACE residential retrofits to a halt unless Congress steps in.

City expects one-year ROI on its choice of Hara’s energy tracking software

Meanwhile, eSolar’s existing CSP projects in California and New Mexico are to be replaced with photovoltaics.

Plug-in electric is delayed for a second time, but still casts a long shadow

A damaged rotor forces OpenHydro to pull up from the Bay of Fundy. Does anything ever work?

Bio Architecture Lab says it’s almost there with a microbe that turns seaweed into fuels and chemicals.

Gates and Immelt call for tripling clean-tech spending, but the money is already there.

Seen as catalyst for energy efficiency improvements – and for debate over benchmarks

Production will remain at 4 megawatts per month.

Lone Star College highlights PC sleep states policy for future energy savings gains.