Energy & Green Tech

Hawaii quits coal in bid to fight climate change

The last bits of ash and greenhouse gases from Hawaii's only remaining coal-fired power plant slipped into the environment this week when the state's dirtiest source of electricity burned its final pieces of fuel.

Energy & Green Tech

In Germany, the stuttering bid to jumpstart coal plants

A year after the last wisps of smoke disappeared into the skies from the imposing chimneys of the Moorburg coal plant, hopes had grown that the mothballed site would see new life as Germany scrambles to secure energy supplies.

Energy & Green Tech

Efficiency of silicon solar cells climbs past 26 percent

(Tech Xplore)—A team of researchers working at Kaneka Corporation has broken the record for silicon-based solar cell efficiency by producing a cell that was tested to be 26.3-percent efficient—an increase of 0.7 percent ...

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