Originally Posted by Sheepat
Interesting... it also might be because I think people in the Pokemon universe are more environment-conscious. Pokemon are intelligent beings, and to humans it might be like if a bunch of bull dozers smashed down, say, Goldenrod City and replaced it with flowers (and yes I have read Pokemon Adventures Yellow) I mean, you never see big, gas-guzzling cars in the anime.
Exactly. Cars are pretty rare in the Pokemon world. Only Jenny(s) are seen with motorized vehicles in a constant manner. The only people I can remember who have drove anything are Birch, Bertha and Scott.