title: The uncertain dash for gas.
mesh_terms: D004736:Energy-Generating Resources / Q000191:economics / Q000941:ethics / Q000706:statistics & numerical data; D004787:Environmental Pollution; D005740:Gases / Q000191:economics; D007221:Industry / Q000191:economics / Q000941:ethics / Q000639:trends*; D007449:Investments / Q000191:economics; D013672:Technology / Q000592:standards / Q000639:trends*; D014481:United States; D014484:United States Environmental Protection Agency
chemical_list: D005740:Gases