WM has the largest disposal network and collection fleet in North America, is the largest recycler of post‑consumer materials and is a leader in beneficial use of landfill gas, with a growing network of renewable natural gas plants and the most landfill gas‑to‑electricity plants in North America. Conducts on-the-job training and coaching on proper vehicle operation, defensive driving techniques, and adherence to safety practices for new drivers and retrains drivers who have been re-assigned to new routes, line of business, or drivers having driving performance issues (i.e.