Yes. They are "common rail" engines. This means that the fuel is
maintained at injection pressure in a high pressure passage and an
electrically actuated injector simply admits the fuel-the energy for
injection pressure comes from a mechanical pump driven by the engine.
Cummins PT and Detroit Diesel mechanical and DDEC are also "common
rail" engines, but the actual energy for injection-several
horsepower-comes via the engine camshaft which actuates the injector
which pressurizes the fuel.

The Italians, surprisingly enough,were the people behind this.