See All 7 Photos See All 7 Photos Transmission which couples engine to electric motor can be placed in any gear to multiply driving speed in order to spin the valve train far faster than the ...

Software roots out design flaws before building pricey prototypes. The valve train is probably one of the most complex and critical assemblies in a modern automobile engine. Its operation directly ...

This puts the train at approximately 40% complete. Some changes are planned for the locomotive including a change to fuel oil from coal and replacing the poppet valves prone to failure with ...

The Federal Railroad Administration investigated the valves after a BNSF train hauling North Dakota crude oil to a Washington refinery had to have 14 cars with slow leaks removed from the 100-car ...