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A comment on America’s Cars Are Getting Faster and More Efficient. Parent comment

Re:America’s Cars Are Getting Faster and More Efficient by timelol on Thursday May 18, 2017 @05:36PM (#14371313)
You can't compare diesel and petrol cars on a fuel-volumetric basis. You have to use mass because diesel is more dense. There is 15% more fuel in a gallon of diesel than in a gallon of petrol.
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