Operations, like mining and truck traffic, are some of the top causes of air pollution. These activities release carbon monoxide, sulfur dioxide and nitrous oxide into the air, all of which contribute to development of smog and various health problems.
King of Prussia Information. Time Zone. Abbreviation / Name. EDT - Eastern Daylight Time. EST - Eastern Standard Time. UTC / GMT Offset. -4:00 hours during Eastern Daylight Time, currently in use. -5:00 hours during Eastern Standard Time.
As it so happens, I know of a company that works with an annual convention I attend in King of Prussia. Their name is Tropiano Transportation. They specialize in shuttle buses and limos that travel from the airport (and sometimes 30th St. Station) to major suburban hotel and business hubs.