BRADY: Well, instead of that familiar blue flame, these infrared gas burners look more like a traditional electric burner. They glow red, and you can hardly even see that there's a flame there.

A cleaner burner, but without a blue flame In the 1980s indoor air quality was in the news, and the CPSC was taking aim at another home appliance that burns fossil fuels: kerosene heaters.

ALBANY, N.Y. (AP) — New York state is banning natural gas stoves and furnaces in most new buildings, a policy that’s part of a national movement aimed at reducing greenhouse gas emissions. Th… ...

In fact, a blue-colored flame means that the gas is burning efficiently, with minimal harmful emissions, and is mostly considered safe. 3 / 6. Danger signs.

“The little blue flame is synonymous with professional cooking. That’s what we’ve got to work on,” said Laura Kelly, the coalition’s director, at the time.

A blue flame on your gas cooker indicates that the gas is burning efficiently and cleanly. This happens when there’s a proper mix of gas and oxygen. A strong, ...

The big blue flame first graced the Washington Natural Gas building in Seattle in 1964; it was taken down and put into storage in 2002. (1964 image of building courtesy Puget Sound Energy; 2002 ...