About: http://webisa.webdatacommons.org/441042695

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When cap and trade has been used in the past, such as to reduce acid rain, the allowances were usually distributed for free.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com