New Haven Comet

 In the mid 1930s the New Haven Railway was looking for a more efficient alternative to a steam locomotive-powered train and the streamliners by Budd, as used by Burlington and Maine Central were considered. The Besler steam train (similar in styling to the Budd but using a high pressure steam generator instead of diesel engines) was another option that was rejected. The Goodyear Zeppelin company of Akron, Ohio came up with a 160 passenger double-ended diesel-electric 3 car articulated unit. The train was introduced with great fanfare in 1935 but suffered from developmental bugs and due to the fact it could not be expanded to handle peak traffic periods never achieved its potential. It was scrapped in 1951. 

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This colour image shows a different paint scheme but the train featured a natural aluminum finish highlighted with a dark blue band at wheel level with a light blue band around the windows. The image below shows the scale of the train.