However, firm notes that used truck volumes may dip overall in 2017 versus 2016, while natural gas share of truck market remains small.
Class 8 same-dealer used truck sales volumes increased month-over-month with a third sequential double-digit rise, according to data tracked by ACT Research.
Meanwhile, retail sales of heavy-duty natural gas trucks in the U.S. and Canada posted a “healthy start” to 2017, the firm said, boosted mostly from refuse fleets, transit, and school bus operators.