SCR-Deposit-Graphic

John G Smith

diagram showing DEF use

John G Smith

John G. Smith is the editorial director of Newcom Media's trucking and supply chain publications -- including Today's Trucking, trucknews.com, TruckTech, Transport Routier, Inside Logistics, Solid Waste & Recycling, and Road Today. The award-winning journalist has covered the trucking industry since 1995.

Have your say

We won't publish or share your data

*