The Hefei-based company, which has delivered 6,400 intelligent electric heavy-duty trucks in China and is targeting a Hong Kong stock market listing, has attracted an Australian superannuation fund among its latest investors, a sign that its clean freight story is reaching institutional capital well beyond its home market. It has yet to turn a profit. DeepWay, the Baidu-backed developer of intelligent electric heavy-duty trucks, has closed the second tranche of its pre-IPO financing, bringing the total raised in that phase to $310 million ahead of a planned Hong Kong listing. The latest tranche was led by Stone Venture, with participation…