Quote:
Originally Posted by Grumpy
Another thing to consider is what MPH is the rest of the world using to test MPG. Up until a year or so ago we tested at 55 with no AC on and very slow starts. Hence the lower MP ratings of newer vehicles compared to those of old.
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This site gives comparison figures between manufacturers tests and 'real life' driving.
http://www.green-car-guide.com/news/...l-life-mpg.htm It's a UK site so the difference between US and UK gallon has to be allowed for. While I was checking I found the US gallon is 1/5th smaller than the UK gallon, not 1/8th.
For some unknown reason the US uses the Queen Charlotte system of liquid measure. (Merrylander) OK, let me get my head round this one. The U.S.A. who fought a long and bloody battle to kick England's king back over the water adopted a measuring system named after the wife of George 3rd. Meanwhile, I was going to be smart and give the origin of the Imperial Gallon but gave up when I found this
20 minims = 1 fluid scruple. WTF? That's straight out of Harry Potter.