Tesla has a new entry-level Model X SUV, the 75D

Tesla's big news today may have been the Model S refresh, but there's been a quiet shake-up in the Model X line, too, with a new entry-level car. The electric SUV now kicks off in the shape of the Model X 75D, an all-wheel drive truck with a 75 kWh battery. It replaces the previous Model X 70D, which Tesla …