Gas chamber carbon monoxide as the lethal agent. Sometimes a box filled with anesthetic gas is used to anesthetize small animals for surgery or euthanasia. Gas chamber A gas chamber is an apparatus for killing humans or other animals with gas, consisting of a sealed chamber into which a poisonous or asphyxiant gas is introduced. The most commonly used poisonous agent is hydrogen cyanide; carbon dioxide and carbon monoxide have also been used. Gas chambers were used as a method of execution for condemned prisoners in the United States beginning in the 1920s and continue to be a legal execution method in
What Car? carry listings from other sources, dropping the 'Approved Used' branding. In October 2016, "What Car?" launched a new online car buying service called 'New Car Buyer Marketplace'. Built into the existing whatcar.com website, it lets readers buy discounted cars from dealers in their area who have signed up to a "What Car?" code of content. Users can add options, change trim and alter finance preferences to get a ‘live' price which dealers are committed to. "What Car?"'s 'Target Price' – a long-established recommendation of the most the magazine's mystery shoppers think someone should pay for a particular model – is