So how many cars does this guy have, and why won't he talk about how much natural resources are used up and pollution created by the mere manufacture of a car/t

So how many cars does this guy have, and why won't he talk about how much natural resources are used up and pollution created by the mere manufacture of a car/truck/light infantry vehicle? Saying, "go veg. part time" could be analogues to, "Hey, you need only one car? Own only one car - I'll start!"