HOSTILE (GASOLINE) SCALE:
0-25%: Premium (A little hostile)
25-50%: Midgrade (Somewhat hostile)
50-75%: Regular (Pretty hostile)
(SERIOUSLY hostile! You don't want Leaded!)
100-up%: JET FUEL
! (Aahh, I'm not even gonna go there!)
Diesel powered vehicles are more friendly than Gasoline-powered ones, so that's why someone is "diesel" when they're friendly, yet "gasoline" when they're hostile. Here's why:
Diesel vehicles are known to be better in general than Gasoline-powered ones. They have:
-Higher fuel mileage
-Better exhaust scent
Whereas Gasoline-powered vehicles:
-Guzzle more fuel
-Emit unpleasant exhaust fumes
...And you get the idea.
Did I also mention that Diesel Fuel costs less to make than Gasoline?