Inert gas asphyxiation accidental death in humans, inert gas asphyxia with gases including helium, nitrogen, methane and argon has been used as a suicide method. Inert gas asphyxia has been advocated by proponents of euthanasia, using a gas-retaining plastic hood device colloquially referred to as a suicide bag. Nitrogen asphyxiation has been suggested by a number of lawmakers and other advocates as a more humane way to carry out capital punishment. In April 2015, the Oklahoma Governor Mary Fallin signed a bill authorizing nitrogen asphyxiation as an alternative execution method in cases where the state's preferred method of lethal injection was not available
Phase-out of incandescent light bulbs quality of products. Those CFLs with a recent Energy Star certification start in less than one second and do not flicker. In January 2011, the province of British Columbia banned retailers from ordering 75- or 100-watt incandescent bulbs. Canada's Energy Efficiency Regulations are published on the Natural Resources Canada website. The Canadian federal government banned the import and sale of 75- and 100-watt incandescent bulbs, effective 1 January 2014. On 1 January 2015, 40- and 60-watt bulbs were also banned. Retailers will be allowed to sell their existing inventories imported before the bans. Cuba exchanged all incandescent light bulbs for