coal-burning steam power plant
51Cogeneration — For other uses, see CHP (disambiguation). Sustainable energy Renewable energy …
52Mercury regulation in the United States — is a set of laws and regulations limiting the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. These laws and regulations are promulgated by U.S. Federal Agencies such as the Environmental Protection… …
53Outline of energy — See also: Index of energy articles In physics, energy (from the Greek ἐνέργεια – energeia, activity, operation , from ἐνεργός – energos, active, working [1]) is a scalar physical quantity that describes the amount of work that can be performed by …
54Chicago Tunnel Company — Under the streets of Chicago, pre 1906. Locale Illinois Dates of operation 1906–1959 T …
55Tennessee Valley Authority — Infobox Company company name = Tennessee Valley Authority company company type = Government owned independent corporation company slogan = foundation = 1933 founder = location = Knoxville, Tennessee, USA key people = Tom Kilgore (current CEO)… …
56Recovery boiler — is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor. In the process lignin of the wood, bound in black liquor at this phase, is burned and heat generated. The heat is usually used… …
57Thermal efficiency — In thermodynamics, the thermal efficiency (eta {th} ,) is a dimensionless performance measure of a thermal device such as an internal combustion engine, a boiler, or a furnace, for example. The input, Q {in} ,, to the device is heat, or the heat… …
58List of characters in Atlas Shrugged — This is a list of characters in Ayn Rand s novel, Atlas Shrugged. Balph EubankCalled the literary leader of the age , despite the fact that he is incapable of writing anything that people actually want to read. What people want to read, he says,… …
59Fossil fuel — Coal, one of the fossil fuels. Fossil fuels are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms. The age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes… …
60technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
