Green Diamond
... that the Illinois Central Railroad's Green Diamond debuted in 1936 with IC 121, the last new fixed-consist articulated streamliner built in the United States in the 1930s?
... that the <a href="./Illinois_Central_Railroad" id="mwC8c" rel="mw:WikiLink" title="Illinois Central Railroad">Illinois Central Railroad</a>'s <i id="mwC8g"><b id="mwC8k"><a href="./Green_Diamond" id="mwC8o" rel="mw:WikiLink" title="Green Diamond">Green Diamond</a></b></i> debuted in 1936 with <a href="./Illinois_Central_121" id="mwC8s" rel="mw:WikiLink" title="Illinois Central 121">IC 121</a>, the last new fixed-consist articulated <a href="./Streamliner" id="mwC8w" rel="mw:WikiLink" title="Streamliner">streamliner</a> built in the United States in the 1930s?