Well, maybe it is just new to me.
It is on Broadway about a block from the "original" taco truck.
They offer similar fillings (bistek, carnitas, lengua, etc)but in 3 forms. Tacos, burritos, and Tortas (?) which they translate to "sandwich".
I had the carnitas taco for $2.00. Generous meat, great tortillas and very good hot sauce. Radish or two.
Anyone else been? I did not catch the name, but the truck is much smaller than the usual one up the street.