Consumers are still buying diesel engines, even though more fuel-efficient choices exist, writes an Automotive News reader in a letter to the editor.…
May 27, 2021 |
Meanwhile, the mileage on the average Class 8 dropped to 419,000 compared with 444,000 a year earlier. The age of that truck was 6 years, 4 months compared with 6 years, 9 months in the 2020 period.
“No surprises there,” said Allen Schaeffer, executive director of the Diesel Technology Forum. “The pandemic influence likely trimmed back the mileage.”
With the age profile at 6 years and a few months, Schaeffer said, “these 2014 vintage trucks are all ones with the newest generation of advanced emissions control SCR selective catalytic reduction] systems, so they were designed to achieve the same emissions performance as today’s model, near-zero levels of both nitrogen oxides and particulate matter.”