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Harvard team demonstrates new metal-free organic–inorganic aqueous flow battery; potential breakthrough for low-cost grid-scale storage

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Wide-scale utilization of flow batteries is, however, limited by the abundance and cost of these materials, particularly those using redox-active metals and precious-metal electrocatalysts. But until now, flow batteries have relied on chemicals that are expensive or hard to maintain, driving up the cost of storing energy. Background.

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Perspective: Regional Greenhouse Gas Cap-and-Trade Programs May be the Solution

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Today, this cap-and-trade program is considered one of the most efficient and cost-effective environmental initiatives ever implemented. Environmentalists and industries resurrected the idea in recent years as a centerpiece of measures to address global warming and growing oil imports. Factors Determining Abatement Costs.

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