Several modern locomotives that ran on steam engines kept getting better with time. One of the most famous examples of steam technology in terms of locomotives was the 5AT project. It aimed to ...

To see a sphere whizzing about trailing plumes of steam while flames licked ... but seeing a modern replica of Hero’s Engine built and tested probably isn’t too far from such an experience.

The best modern engines show, by the indicator cards, between 60 and 90 per cent of the theoretical effect of the steam ; in all cases the figures vary in proportion as care is exercised'in ...

Now Pratt & Whitney thinks it may have taken the first steps along that path with the Hydrogen Steam-Injected, Intercooled ...