NRC report finds significant number of near-term technologies could greatly reduce fuel consumption in passenger cars
Green Car Congress
JUNE 16, 2011
Replacing spark-ignition engines with diesel engines and components would yield fuel savings of about 37% at an added cost of approximately $5,900 per vehicle, and replacing spark-ignition engines with hybrid engines and components would reduce fuel consumption by 43% at an increase of $6,000 per vehicle.
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