Fuel/Emissions

Daimler rolls out electric trucks for North America

PORTLAND, Ore. – Daimler Trucks North America has unveiled electric Class 8 and medium-duty trucks today, with plans to have a 30-truck “innovation fleet” working in selected applications before the end of the year. “It is our target at Daimler to have the broadest – the absolute broadest – e-truck fleet in North America by 2021,” said president and CEO Roger Nielsen, as an electrified version of the Class 8 Cascadia rolled by.

Dirty Secrets: Carriers call for emissions crackdown

TORONTO, Ont. -- Clean air comes at a cost, and it involves the emissions-related changes to exhaust systems and engines, sometimes introducing added maintenance costs and reduced fuel economy in the process. That’s led to one of the trucking industry’s worst-kept dirty secrets. Many truck owners are reprogramming electronic control modules to bypass SCR (selective catalytic reduction) systems, which reduce unwanted NOx by introducing diesel exhaust fluid to the combustion process.