Green Tech news harvest: More-efficient solar cells and 'biogasoline'

Paying for solar on commercial rooftops; more-efficient polysilicon and thin-film solar cells; JPMorgan buys into carbon trading; biogasoline; and GreenFuel Technologies' progress could mean the first commercial-scale algae fuel plant.

A sampling of green-tech news thus far this week, touching on solar cells, carbon markets, biofuels, and electric cars.

 

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