This Order amends sections 45D and 104AA of the Capital Allowances Act 2001. These sections set out the conditions to qualify for 100% first-year allowances (section 45D) and main rate allowances (section 104AA) on expenditure in respect of cars with low carbon dioxide emissions.

Article 4 extends the first-year allowance for cars with low carbon dioxide emissions for a further three year period ending on 31st March 2021. It also reduces the qualifying emissions threshold for the first-year allowance from 75 grams to 50 grams per kilometre driven, in relation to expenditure incurred on or after 1st April 2018.

Article 5 reduces the qualifying emissions threshold for the main rate allowance from 130 grams to 110 grams per kilometre driven, in relation to expenditure incurred on or after 1st April 2018.