Pedzisa mutsara unotevera: Dare rakaita misangano yokunzwa makumi masere nemisangano yokukurukura nhau dzakadai sokushanduka kwemamiriro okunze uye
"Deepwater Horizon" kudonha kwemafuta. Dare rakaita basa mukugadzirwa kwe2007 energy bill, 2009 stimulus package (iyo yaiva nemari yekugadzirisa simba uye zvimwe zvinhu zvezvakatipoteredza), uye 2009 Waxman-Markey bill (iyo yakatenderwa neImba, asi haina kumboitwa neSeneti).