But with extra-time looming Cole struck to break home hearts with a clean finish from the edge of the area after Turner's error in judging a long ball forward.

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"Very little can happen without having the utilities involved in the process, " said Ron Pernick, a founder of clean-technology consulting firm Clean Edge.

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"If they can deliver what they are saying, and you don't even have to make a change in the vehicle, that is a positive check in the column, " says Ron Pernick, a partner at clean-technology research and publishing firm Clean Edge.

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But more broadly, a clean energy standard can expand the scope of clean energy investments because what it does is it gives cutting-edge companies the certainty that they need to invest.

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