By utilization of the existing boiler a horizontal combustion furnace and a burner that match have been designed for the recovery of the latent heat in the blow gas.

This has dealt a heavy blow to the industry's hitherto bullish mood, according to a survey published on May 4th by Oil &Gas UK, a lobby group.

Such stars eventually blow off the material of their outer layers, which creates an expanding shell of gas called a planetary nebula.