More big companies with trucking fleets are ready to give the Tesla Semi a try. Logistics and transportation firms DHL Supply Chain, Titanium Transportation Group and Fortigo Freight Services have all announced they've ordered small quantities of the Silicon Valley company's electric Class 8 semi tractor. According to The Wall Street Journal, DHL has preordered 10 Tesla Semis to use on local shuttle runs to transport goods between distribution centers and factories, as well as for same-day customer deliveries. It also plans to evaluate the vehicle's suitability for longer-distance runs and subject them to various driver-related tests. The heavy-duty trucks were apparently reserved for $5,000 per unit, the originally announced deposit figure. Tesla has since quadrupled the reservation fee to $20,000