If there are half as many VW Bugs as there are Toyota trucks in this parking lot, and there are 5 VW Bugs, then there are 2*5=<<2*5=10>>10 Toyota trucks in the parking lot.
And if there are twice as many Ford trucks as Toyota trucks in this parking lot, then there are 2*10=<<2*10=20>>20 Ford trucks in the parking lot.
And if there are one-third as many Ford trucks as Dodge trucks in the parking lot, then there are 20*3=<<20*3=60>>60 Dodge trucks in the parking lot of the Taco Castle.
#### 60