The phrase "injection diesel" refers to a type of fuel system used in certain vehicles, where diesel fuel is injected into the engine in small amounts for better combustion and power. Full definition
The resulting reduced surface area of the direct injection diesel engine reduces heat losses, and thereby increases engine efficiency, at the expense of slightly increased combustion noise. (en.wikipedia.org)
The 1.5 litre common rail direct injection diesel engine has 4 cylinders and eight valves that can displace close to 1461cc. (cardekho.com)
The Navistar - produced 7.3 - liter V - 8 is a direct injection engine; an indirect injection diesel engine is currently offered. (articles.orlandosentinel.com)