 Shares of Hyzon Motors Inc. HYZN, 0.69 slid 15 premarket Wednesday, after the supplier of hydrogen-powered commercial vehicles reported fourth-quarter earnings showing a wider-than-expected loss and revenue that fell far short of estimates. The Rochester, New York-based company posted a net loss of 28.6 million, or 12 cents a share, for the quarter, wider than the loss of 13.4 million, or 8 cents a share, posted in the year-earlier period. 