http://www.buildwithpropane.com/News-and-Incentives/How-the-sausage-gets-made-and-delivered/?utm_campaign=sp2015&utm_medium=email&utm_source=customnews&utm_term=August%2012,%202015&mail=ddonahue@ncpga.org&spMailingID=12121185&spUserID=OTEyODQ0NDk4ODcS1&spJobID=600856900&spReportId=NjAwODU2OTAwS0
EPA Certifies Propane Autogas Ford P.I. Utility
http://www.government-fleet.com/news/story/2015/08/ford-propane-autogas-systems-certified-by-epa.aspx