Sales tax is whatever percent of the sale.
I was thinking more along the lines of the 20 to 25 cents per gallon state and federal tax like is done with fuel.
At roughly $1.50 per gallon the sales tax is typically less than 15 cents per gallon.
DEF is 33% by weight urea, the rest water if what I read was correct.
It wouldn't exactly take a criminal master mind to produce home brew DEF.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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