Imports In 2021, Saint Vincent and the Grenadines imported $222 in Ethylene, propylene, butylene, butadiene, liquefied, becoming the 0th largest importer of Ethylene, propylene, butylene, butadiene, liquefied in the world. At the same year, Ethylene, propylene, butylene, butadiene, liquefied was the 0th most imported product in Saint Vincent and the Grenadines. Saint Vincent and the Grenadines imports Ethylene, propylene, butylene, butadiene, liquefied primarily from: N/A.