| http://www.w3.org/ns/prov#value | - The first stage, happening now, is an effort to wring efficiency from the internal-combustion engine. ???It is important to recognise that there is not a single solution, and that the internal-combustion engine will continue to dominate for at least 20 years,??? says J??rgen Leohold, head of group research at Volkswagen (VW).
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