National indicative targets 1. The following national indicative targets are set, calculated on the basis of energy content, for the release for consumption of biofuels and other renewable fuels, expressed as a percentage of the total diesel and petrol in transport released for consumption on the national market: by 31 December 2005: 1.0 per cent; b) by 31 December 2010: 2.5 per cent. Art. 4. Methods for promoting biofuels and other renewable fuels 1. The modalities for the first promotion of biofuels and other renewable fuels in transport are those established, up to 2007, by article 1, paragraphs 520 and 521, of law no. 311.