gaz węglowy

He promoted the use of coal gas to light the city.

The land has a long history of coal, oil, natural gas, and timber production.

He was also the first person to use coal gas for lighting purposes.

Meanwhile the manager had started to put coal gas into the other, oxygen, bag.

February 11 - Major streets are lit by coal gas for the first time.

The plants that produce coal, gas or nuclear power need lots of water for cooling.

The balloon was enlarged and tried again with coal gas, as in his previous attempt.

It was founded in order to manufacture coal gas on the Texas frontier.

Coal gas was initially manufactured by independent companies but many of these later became municipal services.

He was also first in his use of coal gas for train lighting in 1862.