Tesla’s Semi, the electric truck that the company unveiled a few months ago, has been sent on its first cargo trip, transporting battery packs from the gigafactory in Nevada to the Tesla car factory in California. That’s what Elon Musk said in an Instagram post with a picture showing two Semis ready to leave the gigafactory. The Semis should help to bring down logistics costs of transporting battery packs from the gigafactory to other facilities, which Musk, according to Electrek , had earlier referred to as “gigantic.” The distance between the gigafactory and the Fremont car plant is some 250 miles, so the trip would demonstrate the range of the Semis: according to Tesla, the trucks can travel 500 miles with a full load without a recharge. There are skeptics, however. “If Tesla really delivers on this promise, we’ll obviously buy two trucks — one to take apart and […]