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OpenStudy (theopenstudyowl):
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OpenStudy (theopenstudyowl):
What is the energy efficiency of a car that has 100% useable gasoline that is extracted from an oil well at 60% efficiency, transported via ship at a 90% efficiency, refined at a 75% efficiency, transported via truck to the gas station at a 84% efficiency, and burned by your car at a 65% efficiency? 73% 51.60% 22.10% 9.20%
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