lol, what a great crowd, selling dope at a music fest and calling it diesel lol. some other ones are ron, dog food, harry, downtown, chiva, etc. goes on and on
H names are like grocery stores, u have the tried and true which are everywhere, the you have to local names that when you speak to someone outta ur area, they never heard of it....
Diesel is usually referring to higher quality powder dope(not always though), boy, boi, dog food, blows (Chicago area slang) , H , smack, Skag, powder , #4 powder, china white( although not actual SEA #4, slang for any off white dope usually), hell dust, Dope, junk, hell dust, and for tar I have heard : chiva , black, negra, tar, mud, etc..