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 CFLs, and banned the sale and import of them in 2006–07. California will phase out the use of incandescent bulbs by 2018. The bill aims to establish a minimum standard of twenty-five lumens per watt by 2013 and sixty lumens per watt by 2018. In Connecticut legislation was proposed. A bill was introduced in New Jersey in 2007 that calls for the state to eliminate incandescent bulbs in government buildings over the next three years. In Utah energy efficiency standards for government buildings were passed in 1999 that, in practice, require the adoption of energy efficient technology, including LEDs, as