http://2sustain.com/2009/06/union-pacific-greens-its-refrigerated-boxcar-fleet.html A blog focused on sustainable business issues and challenges Wed, 04 Apr 2012 02:17:44 +0000 hourly 1 http://wordpress.org/?v=3.0.1 http://2sustain.com/2009/06/union-pacific-greens-its-refrigerated-boxcar-fleet.html/comment-page-1#comment-5939 charles swinden Tue, 25 May 2010 22:12:51 +0000 http://208.76.80.199/~sustain/2009/06/union-pacific-greens-its-refrigerated-boxcar-fleet/#comment-5939 Natural gas would be even greener are you going to use your refrigerator cars in the Salinas Valley like the old days. In the thirties and forties the Southern Pacific an average of 500 cars a day Salinas Natural gas would be even greener are you going to use your refrigerator cars in the Salinas Valley like the old days. In the thirties and forties the Southern Pacific an average of 500 cars a day Salinas

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