Carbonhttp://www.hydrocarbonprocessing.com/RSS.aspx?FeedID=1775©2013 Hydrocarbon Processing60CarbonUS-based ultra-low-sulfur gasoline rule releasedhttp://www.hydrocarbonprocessing.com/Article/3198364/US-based-ultra-low-sulfur-gasoline-rule-released.htmlWed, 01 May 2013 00:00:00 GMTEvaluate challenges in meeting clean-fuel specifications with heavier crudehttp://www.hydrocarbonprocessing.com/Article/3183797/Evaluate-challenges-in-meeting-clean-fuel-specifications-with-heavier-crude.htmlMon, 01 Apr 2013 00:00:00 GMT