SE23470 - Car benefit from 2002/03 onwards: table summarising adjustments to appropriate percentage for different fuels

The ready reckoner at SE23380 gives the appropriate percentage for cars powered by petrol ( fuel type P).

This table brings together all adjustments to the appropriate percentage which arise from the use of fuels other than petrol, including those for diesel cars mentioned in the ready reckoner.

Fuller information is available at the page references given.

Type of fuelCodePageStandard adjustmentExtra adjustmentOther points
PetrolPSE23360nonenonenone
Diesel (not Euro IV)DSE23365supplement: 3% (see note 1)nonenone
Diesel (Euro IV)LSE23370cancel type D supplement, abovenonenone
Electric onlyESE23435reduction: 6%nonenone
Hybrid electricHSE23440reduction: 2%see note 2none
Gas onlyBSE23455reduction: 1%see note 2none
Bi-fuel with CO2 emissions figure for gas (see note 3)BSE23455reduction: 1%see note 2use lowest CO2 figure
Bi-fuel conversion, or other bi-fuel not within type BCSE23465reduction: 1%nonenone

Note 1: subject to the overall maximum appropriate percentage of 35%

Note 2: additional 1% for every full 20g/km that the car's CO2 emissions are below the lower threshold for the year

Note 3: Bi-fuel car meeting all the conditions at SE23450

Supplements and reductions only apply to cars first registered on or after 1 January 1998. They apply to all such cars, whether or not they have an approved CO2 emissions figure, though cars without such a figure cannot take advantage of the Extra Adjustment column above.