Grand piano by Louis Bas of Villeneuve-les-LÃ¨s, Avignon, france. 1781 Earliest french grand piano known to; survive includes an inverted wrestplank and action derived from the work Of Bartolomeo (cristofori. ca) 1700 with ornately decorated. soundboard
In the United States, 27 gigawatts of capacity from coal-fired generators was slated to be retired from 175 US coal-fired power plants between 2012 and 2016. Natural gas showed a corresponding jump, increasing by a third over 2011. Coal's share of US electricity generation dropped to just over 36%.
The main use of coal in the US today is? electricity generation and Coal might form in peat bogs or swamps where vegetation accumulates under anaerobic conditions Edit