Uncheckable: “Belgium is the country that gives the largest amount of money to polluting diesel”

On 2 October 2021, Conner Rousseau (Vooruit) said in an interview that Belgium is the country that gives the largest amount of money to polluting diesel. Is this statement true? And maybe even more important: how and why does Belgium spend money on this fuel? After doing research and interviewing experts we can say that…