net Greenhouse Gas (GHG) emissions in 2006 were estimated to be 1060.25 GgCO2e. c. For strategies, plans and actions referred to in Article 4, paragraph 6, of the Paris Agreement, or polices and measures as components of nationally determined contributions where paragraph 1(b) above is not applicable, Parties to provide other relevant information d. Target relative to the reference indicator, expressed numerically, for example in percentage or amount of reduction As electricity generation and transport are the biggest contributor to the total GHG emissions, Antigua and Barbuda has mitigation sector targets for the energy sector: â 86% renewable energy generation in the electricity sector by 2030 â 100% all new vehicle sales to be electric vehicles by 2030 e. Information on sources of data used in quantifying the reference point(s) The sources of data used in quantifying the reference points are as follows: â Antigua and Barbudaâs Intended Nationally Determined Contribution, 2015 â Antigua and Barbudaâs First Biennial Update â Antigua and Barbudaâs Third National f. Information on the circumstances under which the Party may update the values of the reference indicators Antigua and Barbuda may update the base year data based on the continuous methodological improvement and data availability.