| http://www.w3.org/ns/prov#value | - July 11 at 11:20pm When you watch this excellent German narrated, English subtitled French documentary, there are scenes at the beginning (part 1) and particularly at the end (of part 2) that prove that Jean was compressing his own biogas, putting it in a steel tank mounted on the roof of his truck, and driving around Southern France's... rural roads with it.
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