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.

When the blue flame fires up on a gas stove, there's more than heat coming off the burner. Researchers at Stanford University found that among the pollutants emitted from stoves is benzene, which ...

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.

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, ...