Chief technical officer Roddy Elder points told the BBC two sets of cylinders capture the carbon dioxide using a liquid ...

They are widely seen as the best way of cutting emissions of carbon dioxide ... unit and hot water cylinder inside the property. The indoor unit is about the size of a gas boiler, while the ...

Powdered titanium dioxide ore is placed in a smelter containing chlorine gas and the carbon-based reducer known as coke. Temperatures of around 1,000 degrees Celsius then produce liquid titanium ...