The Disabled Drivers and Disabled Passengers Fuel Grant is regulated by S.I. 635/2015 and provides for payment of a fuel grant based on a the value of excise chargeable per litre rate of fuel. The current value is €0.619 for petrol, €0.515 for diesel and €0.118 for liquefied petroleum gas (LPG) in respect of the mineral oil taxes applying to these products. An annual maximum of 2,730 litres applies in respect of a driver or passenger, and 4,100 litres in respect of an organisation. This grant will be increased by the value of the increase in carbon tax with effect from 1 January 2022.