Despite Republican hostility, and even with control of both chambers of Congress and the White House, cutting federal transit funding may prove difficult.
The group consists of 40 companies, and was originally founded by e-commerce giant Amazon, outdoor recreation retailer Patagonia, and German coffee chain Tchibo.
Walmart has sought to decarbonize its freight and delivery fleets across its supply chain for years, having set a goal to achieve zero emissions by 2040.