Source: Spoonchen / FlickrMayor Bloomberg announced that the alternating odd-even licence plate system of buying gas will remain in place through Friday, according to a report in the New York Post [http://www.nypost.com/p/news/local/bloomberg_extends_gas_rationing_h7t4QUR4U1rz3414eXmVIP] . The extension was enacted because 30 percent of