Landfill gas, a mixture of gases produced when garbage breaks down within landfills, contains unwanted traces of siloxane ...

This use of the landfill gas will reduce GM's energy costs by $1.1 million a year and cut the amount of greenhouse gases, sulfur dioxide and nitrogen oxides released into the atmosphere.

UK faces build-up of plastic waste Seven charts that explain ... Mr Hayler says that overall greenhouse gas emissions from incineration are lower than from landfill. So it seems there's a strong ...