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"German inventor Peter Eckhoff has created an engine inspired by the movie &amp;quot;Back to the Future.&amp;quot; Eckhoff&amp;#039;s engine uses empty plastic bottles to power his VW. Peter Eckhoff&amp;#039;s engine was developed in conjunction with Jean-Marie Stankovicc-Gansen and involves a part that can be filled with empty plastic bottles. This part is heated by the car&amp;#039;s traditional engine, burning the bottles; the resulting gas is used to help power the engine.  Peter Eckhoff&amp;#039;s engine saves about 30% more fuel with 125 grams of plastic trash--about 3 bottles per 100 kilometers."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.trendhunter.com/trends/peter-eckhoff-engine>