4. Standards and regulations in Europe

The emergence of alternative and/or substitute fuel chains depends on the existence of favorable regulatory and fiscal contexts. The reader will therefore find in this paragraph information whose validity is not in question at the time of writing, but which could, in time, be out of step with possible developments.

For further details, the reader is invited to consult Directive 2007/46/EC of the European Parliament, as well as the European Commission regulations referred to in paragraph 2.3