A MLP is a business structure that is taxed as a partnership, but whose ownership interests are traded like corporate stock on a market.

By statute, MLPs have only been available to investors in energy portfolios for oil, natural gas, coal extraction, pipeline projects and more recently, CO2 captured from power generation facilities.

These projects get access to capital at a lower cost and are more liquid than traditional financing approaches to energy projects, making them highly effective at attracting private investment, according to the bill’s co-sponsors.

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