In the events page which talks about the feature-length special's cinema release in Hoyts Cinemas, the website then shows this piece of text.
The DVD and toys will be available at all good retailers from September 1 in Australia and 7 September in New Zealand.
The cinema release was previously confirmed along with a competition tieing in.
Day of the Diesels rolls into Hoyts Cinema's in Australia and New Zealand starting from July 23rd on Saturday and Sunday mornings from 10am.
The DVD will then be released on September 1st and September 7th 2011 respectively.
Thanks to TMRReturns for the alert.