ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations
Green Car Congress
APRIL 10, 2014
The results for the SUV pulling a 3,500 pound enclosed cargo trailer were significant, resulting in FE penalties ranging from 30%, for the city cycle, to 50% at 80 mph (129 km/h), at which point significant CO generation indicated protective enrichment due to high load. l/100 km) at 60 mph (97 km/h) to 33 mpg (7.1 l/100 km).
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