Walmart, whose fleet includes 6,500 trucks, 55,000 trailers and employs 7,000 drivers, announced in 2005 that it intended to double fleet efficiency by 2015. According to the company, fleet ...

The Tesla Semi already has one very large guinea pig for an electric fleet: Walmart. The retail juggernaut has some 6,000 trucks and moves merchandise all over the country and as of last May, it ...