Drewry: Stronger US-China Ethane Trade to Boost Demand for VLECs 23 August 2019 Ethane trade on the U.S.-China route has the potential to create demand for about 30 VLECs, Drewry said.Author: Capt. Johnhttps://worldmaritimenews.com/archives/282030/drewry-stronger-us-china-ethane-trade-to-boost-demand-for-vlecs/