David Hoover, director, outbound Logistics for Meijer, is constantly looking for ways to be more efficient, whether it's more fuel-efficient engines or eliminating empty backhauls. Meijer finished converting its 170-truck fleet of regional daycabs to the 2010 engines last fall, enjoying a 5% increase in fuel economy. Last year the fleet started trading some of those in for the latest EPA/NHTSA 2014 engines in the Freightliner Cascadia Evolution. The new trucks are showing a 12% improvement in fuel economy over the ones they replaced. Read more here.