Services could however continue using bi-mode trains, which have electric engines that can be powered by either electrified tracks, or by on-board diesel generators.
In addition to hauling cargo, it can be outfitted as a shelter carrier to carry standard shelters for communications systems, on-board electronics, and other functions.
This type of electronic vehicle control was prohibited because it violates rules by automatically performing on-board tasks not triggered by the driver.
Her on-board facilities included a foundry, light and heavy machine shops, electrical and torpedo repair shops, and equipment to support fitters, patternmakers, coppersmiths and shipwrights.
