(News to Me) MZ Class Trialling LPG Injection

Consider this photo of ex Danish Railways MZ Class locomotive, 1431. If you look closely (click on the photo to view a larger version), you will see red “Flammable Gas” stickers on the front and sides of the locomotive – this is unique to 1431, and is not presently found on any other members of the MZ Class (at least not those operating in Australia).

This is the continuation of a trial done on 44 class unit 4498, which involves the injection of a small amount of LPG gas with the diesel fuel, resulting in improved fuel efficiency, and reduced emissions.

Thanks to Greg for the initial information about 4498, and also to M363C for his information on the subject!

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