Largest parade of alternative fuel powered vehicles

According to Official Guinness Records,

The largest parade of alternative fuel powered vehicles consited of 300 cars and was achieved by Consumers Co-Operative Sapporo (Japan) in Tomakomai, Hokkaido, Japan, on 26 September 2010.
All the vehicles used by CO-OP Sapporo's home delivery service are biodiesel trucks. They collect and use old vegetable oils used for tempura.

For a complete list of 2010 records, please visit 2010 Guinness Records in Japan.

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