The only exceptions are Switzerland, Iceland and the US. All other nations are subsidizing Diesel with fuel taxes.Its not necissarily true that euro subsidies diesel cars and fuel.
- one should also take into account that the modern turbodiesel driveability is fenomenal.
Look how popular the 3L ecodiesel is for towing dispite its quite low 250 hp rating, almost no one likes to drive way up in rews like the gasengines demand.
A certain segment likes to rev small gasoline engine to high rpm to generate performance. Honda VTEC comes to mind. Most American car fans don't.
Diesel has advantages for towing with a truck, torque at low rpm. No advantages for a person commuting to work in a car.