http://www.progressiverailroading.com/news/article.asp?id=16740 http://www.progressiverailroading.com/news/article.asp?id=16... According to that 2008 source (

http://www.progressiverailroading.com/news/article.asp?id=16740 http://www.progressiverailroading.com/news/article.asp?id=16... According to that 2008 source (which appears to be pro-railroad) freight rail is up to four times more fuel-efficient per ton of freight delivered than freight trucking.