2.
Biofuels may be made available in any of the following forms: as pure biofuels or at high concentration in mineral oil derivatives, in accordance with specific quality standards for transport applications; as biofuels blended in mineral oil derivatives, in accordance with the appropriate European norms describing the technical specifications for transport fuels (EN 228 and EN 590); as liquids derived from biofuels, such as ETBE (ethyl-tertio-butyl-ether), where the percentage of biofuel is as specified in Article 2(2).
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Source: EUR-Lex (Cellar) · retrieved 2026-11-05 · Text as adopted (Official Journal); later amendments are not incorporated in this text.