Most automotive diesel engines don't have any spark plugs; instead, diesel engines rely on compression to ignite the fuel. The combustion chamber inside each cylinder in a diesel engine ...

NIKKO, Tochigi Prefecture--Steam and diesel locomotive operators are testing ... used to continually maintain the steam locomotive engine’s fire, which then protects their boilers.

This week has seen the start of testing at speed for the world’s first operational steam locomotive to be fitted with ETCS (European Train Control System) technology.

But unusually dry weather this spring has led to Network Rail banning steam engines from pulling trains in many parts of the countryside. There are fears that sparks from the chimneys could set light ...