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 ...

It’s almost a Ducati trademark, but what is it, why did Ducati adopt the technology, and will it survive?

A car's engine connects to its crankshaft, which rotates thousands of times per minute, according to the book Tribological Processes in the Valve Train Systems ... to make gear changes smoother.

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 ...