Many Senate Republicans--especially in the Southeast where wind power is scarce--aren't comfortable with the "renewable portfolio standard" mandating utilities provide a minimum amount of clean energy production.

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The small amount of energy and water needed to grow the vegetables, and the close proximity to the consumer, means that C02 emitted in production and transportation is kept to a minimum.

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In the absence of the Keystone XL pipeline, there are no currently available alternatives for moving this large additional quantity of production to market, and at a minimum any such alternatives would be expected to have higher costs.

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