“They’re constantly bleeding a little bit of methane into the atmosphere all the time,” said the study’s co-author Rob Jackson, a Stanford University climate scientist.
The same study that tested emissions around stoves in homes raised new concerns about indoor air quality and health because of levels of nitrogen oxides measured.
Even when they are not running, U.S. gas stoves are putting 2.6 million tons (2.4 million metric tons) of methane — in carbon dioxide equivalent units — into the air each year, a team of California researchers found in a study published in Thursday’s journal Environmental Science & Technology. That’s equivalent to the annual amount of greenhouse gases from 500,000 cars or what the United States puts into the air every three-and-a-half hours.
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