Fossil Fuel Restrictions. In recent years city governments have started making moves to limit or prohibit fossil fuel (primarily natural gas) hookups in the heating of new buildings, and sometimes also in substantial remodelings or rehabilitations. “How Local Governments and Communities Are Taking Action to Get Fossil Fuels out of Buildings” www.rmi.org  (The RMI article discusses building code amendments and building performance standards in NYC, Boston, Denver, San Francisco, Seattle and L.A.) “Natural Gas and Fossil Fuel Bans in New Construction” www.cushmanwakefield.com .  “U.S. Leads the Way in Citywide Fossil Fuel Bans” www.gizmodo.com .