The blue flame of LPG gas is due to complete combustion of propane and butane, which have low carbon content. This results in no smoke or pollution and indicates maximum heat at 1,980 degrees Celsius ...

But then, the New Glenn rocket didn't move. And still, the engines produced their blue flame, furiously burning away methane. The thrust-to-weight ratio of the rocket must have been in the ...

Some customers of Superior Propane are expressing their irritation with the company following a hike in tank rental fees. In Mathieu Savoie's case, his annual bill jumped to $300 from $199.

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...