Logistics
Given the size of Walmart’s fleet, we are striving to lead the industry in testing, piloting, and deploying a suite of clean technologies that will help us save money on diesel fuel, reduce air pollutants in the communities we serve, and help our customers live better. Goals- Increase our truck fleet efficiency by 25 percent by 2008 (2005 Baseline).
- Update: By the end of 2008, we reached a 38% increase in fleet efficiency.
- Double our truck fleet efficiency in the U.S. by October 2015 (2005 Baseline).
Objectives and ActionsWalmart uses our size, in a three-phase new technology deployment process, to test and pilot promising technologies, and then deploy the technologies that make economic and environmental sense. Experiment: - In 2009, we began testing new technologies that can help reduce our environmental impact, are viable for our business and provide a return on investment.
- In partnership with Arvin Meritor, Walmart is testing a first of its kind, full-propulsion, dual-mode, diesel-electric hybrid in the Detroit area. The truck is powered solely by battery at speeds of less than 48 mph and is currently on the test track.
- In Phoenix, Arizona, fifteen trucks are being retrofitted to run on reclaimed brown waste cooking grease and will be the first of their kind.
- The waste cooking grease is being collected from Walmart stores, enabling us to close the loop on a former waste product.
Pilot:- Working with Eaton Corp, Walmart has five diesel assist hybrid trucks in-market now. The trucks are pulling loads in Texas, California, Georgia, and Maryland.
- In southern California, five Liquid Natural Gas (LNG) trucks are hauling loads today, so we can better understand the real-world benefits and challenges with LNG in class 8 truck fleets.
Deploy: - We are continuing to broaden and accelerate investments in trucking fleet efficient technologies across all new trucks to help us save money and our communities live better, including:
- Engine calibration and installing Auxiliary Power Units (APUs).
- Addition of five-hundred new aerodynamic trucks to our fleet.
- Trailer side skirts, Super single tires, Aerodynamic tractor package, and Tag axles.
Progress to-date:- In addition to the technology innovations mentioned above, by driving fewer miles, we avoided adding 200,000 metric tons of CO2 into the atmosphere.
- These efficiency improvements resulted in fewer trucks being on the road, as well as a reduction in emissions, fuel use, and wear-and-tear on roads, highways and bridges.
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