It is more complex. Fuel is heavily taxed in Europe so double price will be not double, maybe 50% increase. Still bad but not too bad. Gas (as not fuel for cars

It is more complex. Fuel is heavily taxed in Europe so double price will be not double, maybe 50% increase. Still bad but not too bad. Gas (as not fuel for cars but for other means) will be different problem from country to country or even from town to town (e.g. my town might be gas independent by 2023 heating season)