Our curbside recyclers are required to accept used engine oil. We just put in old one gallon milk jugs, put it out on the curb the night before and the next morning, gone! Also, as John say's, most auto parts stores are required to accept it as well.
Ron.
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'00 2500, 4x4, QC, Cummins ETC/6spd, 3. 54, Camper, Trailer, SLT, 4ABS, BD E-brake, Pullrite 20. 5K 5th hitch, Tekonsha Envoy-SX Tbrake, Flame Red/Silver, Agate