Do any Diesels use Electric Injection Pumps vice Mechanical Units yet?

I'm sure some Chip Circuity could fire off an Electric Fuel Pump or a combination of Electric Pumps, perhaps one per cylinder just as, if not more efficiently than a Mechanical IP. With the right Pump Injector Combination and 4 valves per cylinder the fuel could be atomized so finely and injected and exhausted very precisely.

The benefits would be finer computer controlled metering of combustion and exhaustion.