Advanced Automotive Technology: Visions of a Super-Efficient Family Car

TABLE 3-8: Fuel Consumption/Economy Benefits of Diesel

Engines Relative to Gasoline Engines

Fuel consumption Fuel economy

| (percentage) (percentage)

Indirect injection (IDI),

(naturally aspirated) 12-13 13-15

Turbocharged IDI 19-20 24-26

Turbocharged DI 28-30 40-45

SOURCE: Energy and Environmental Analysis, Inc., “Automotive Technologies To
Improve Fuel Economy to 2015,” prepared for the Office of Technology Assessment, June
1995.

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