iShares MSCI Global Energy Producers ETF (iShares U.S. Power Infrastructure) 

The fund generally will invest at least 80% of its assets in the component securities of the underlying index and in investments that have economic characteristics that are substantially identical to the component securities of the underlying index. The index measures the combined performance of equity securities of companies in both developed and emerging markets that are primarily engaged in the business of energy exploration and production. The fund is non-diversified.