By Hyunjoo Jin and Mrinmay Dey -Tesla Inc on Sunday announced lower-than-expected electric vehicle deliveries in the third quarter, as logistical challenges overshadowed its record deliveries. The top electric car maker said “it is becoming increasingly challenging to secure vehicle transportation capacity and at a reasonable cost,” but some analysts were also concerned about demand for high-ticket items due to the weakening global economy. “The economy around the edges is still having a negative impact for Tesla that’s mostly logistical. But that I think there is some demand (issues) sprinkle…