Alloy wheel specialist Hayes Lemmerz International has reported fiscal first quarter (30 April) sales of US$573.8m, up 15% year on year. Adjusted EBITDA improved 9% to $54.6m and core operating earnings (excluding discontinued operations and restructuring charges) improved to $25.2m from $21.1m a year earlier. The net loss for the quarter improved slightly to $12.8m, compared with a loss of $15.3m a year ago.