What good will it bring? Heavy engine, less reliability and more noise.
The technology used is expected to yield a power-to-weight ratio between those found on trucks and those found in diesel-equipped racecars.
120 has a power to weight ratio of 0,29 hp per kilogram, a 650 hp "diesel racecar" - Audi R10 has 0,70 hp per kilogram.
I guess it all depends on what sort of truck they are talking about
Might as well try hamster power.