️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Oil and hydroelectric follow at around 25 percent each, followed by natural gas at 9 percent and coal at 2 percent.<unk>Oil and hydroelectric follow at around 25 percent each, followed by natural gas at 9 percent and coal at 2 percent. <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk>
Three Mile Island nuclear accident (Pennsylvania) However analysis presented in the international Journal, "Human and Ecological Risk Assessment" found that coal, oil, Liquid petroleum gas and hydro accidents have cost more than nuclear power accidents. However, analysis presented in the international Journal, "Human and Ecological Risk Assessment" found that coal, oil, Liquid petroleum gas and hydro accidents have cost more than nuclear power accidents.