The railroad has commissioned Alstom to take two diesel-powered locomotives and replace the guts of the hulking engines with ...

When it comes to improving efficiency and reducing emissions in transportation, often the answer is to take what’s old and replace it with something entirely new, such as buying an ...

Norfolk Southern and manufacturing giant Alstom are testing retrofitting a pair of half-century-old locomotives with a new hybrid electric propulsion system that the railroad says will improve ...

He added that operators can go further, as Tanzania Railways did, and upgrade the old locomotives to a diesel-electric standard where the engine only generates electricity to drive electric motors ...