this ULSD is an on going topic every where.
it was brought on by our goverment before they researched it completely,,,as usuall,,

the current mandate for ULSD to be sold in the US
is 2010, it was orignally 2007, so it is not sold every where in the US yet,,calif is currently the only state mandated to sell it,,but it is available in many places,

1966 barracuda prostreeter super charged 340(SOLD)
1940 dodge coupe 241 hemi street rod
2014 ram express hemi 4x4 dailey driver
2015 cherokee
2013 R/T classic