I recall some research having been done on DI diesel engines injecting water with the fuel, the idea being to disperse the fuel within the cylinder by rapidly boiling water droplets within the fuel. However, I don't recall the source. :( Perhaps the most reputable dyno testing lab in the...
charliebPE asked about direct injection gasoline engines in production. Actually the first production automobile with fuel injection was the 1955 Mercedez-Benz 300SL (I think I have the model right) which injected the fuel directly into the cylinder. This direct gasoline injection design was...
