So by now we know that Volvo has a few impressive trucks that will change how we perceive transportation from judging them on our previous Volvo posts. But they might have to compete with Walmart, yes Walmart. The Walmart Advanced Vehicle Experience, or WAVE, concept truck is the latest in our fleet efficiency program. The one-of-a-kind prototype offers a whole package of firsts. The tractor has very advanced aerodynamics and is powered by a prototype advanced turbine-powered, range-extending series hybrid powertrain. The trailer is made almost exclusively with carbon fiber, saving around 4,000 pounds which can then be used to carry more freight.