The clean-slate-design DD15 will power all Daimler, Freightliner and Mitsubishi Fuso HD trucks the world over. North Americans get it first in 2008, followed by Japan in '09, and Europe in 2010. We're ...

After nearly five years and $1.5 billion in development, the new heavy-duty Detroit Diesel DD15 engine was unveiled Friday at the Detroit Diesel plant in Redford, Mich. The DD15 displaces 14.8 liters, ...