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Abengoa, a cleantech engineering firm based out of Seville, Spain, has asked permission to spin-off some of its assets into a US-listed "yieldco".

If a county, city or town contributes a pollutant of concern to a waterbody it may need to modify its municipal stormwater management program to meet state and federal National Pollutant Discharge Elimination System (NPDES) regulations. Chesapeake Bay Total Maximum Daily Load (TMDL) and the Virginia Watershed Implementation Plan (WIP) will require MS4 communities to make improvements and retrofits to existing stormwater management programs.