2 results for "Product & Market Info Water (CHEMICALS & ENERGY" between $0 and $79000000

A candy bar contains about 1000 Btu. There are more than one million miles of underground gas pipelines across the United States. In 200 B.C., people in China used natural gas to make salt. Natural gas is lighter than air. In southern Iowa, a power plant is using a crop called switchgrass to make electricity. Animal waste gives off methane gas too, and dairy farms in Iowa and Wisconsin are using microturbines and a machine called a �digester� to turn the methane into electricity.