In May 2021, fuel in Belgium averaged <span class="el-fx" data-el-fx data-amount="1.444" data-currency="EUR" data-kind="price">€1.444</span> for petrol

Petrol, monthly average<span class="el-fx" data-el-fx data-amount="1.444" data-currency="EUR" data-kind="price">€1.444</span>/L
Diesel, monthly average<span class="el-fx" data-el-fx data-amount="1.448" data-currency="EUR" data-kind="price">€1.448</span>/L
LPG, monthly average<span class="el-fx" data-el-fx data-amount="0.541" data-currency="EUR" data-kind="price">€0.541</span>/L
Weekly bulletins held for May 20215

Monthly averages for Belgium across May 2021, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).