Under normal engine loads, this results in a stratified charge that puts a relatively rich mixture in touch with the spark for dependable ignition, then becomes leaner and leaner toward the cylinder circumference until it´s nothing but pure air.
In D-4 direct injection, fuel and air is injected directly into the cylinder, instead of mixing it in the intake port which is how conventional fuel injection works.
WASHINGTON — The Internal Revenue Service on December 7th issued the 2006 standard mileage rates used to calculate the deductible costs of operating an automobile for business, charitable, medical or moving purposes.
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