this post was submitted on 09 Dec 2024
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[–] addie@feddit.uk 41 points 2 weeks ago (3 children)

Bear in mind that the gallon we use is different from the US gallon, too:

  • a UK gallon is eight (imperial) pints of 20 fluid ounces, so 4.54 litres
  • a US gallon is 231 cubic inches, so 3.79 litres

The reason that I thought American car fuel economy was so terrible as a child is partly because UK mpg is +20% on US mpg for the same car on the same fuel. But also, because American car fuel economy is so terrible.

[–] bitwaba@lemmy.world 15 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Don't forget that the UK fluid ounces are different (slightly smaller) than the US fluid ounces as well

20 UK fl oz = 19.21 US fl oz

[–] ZeffSyde@lemmy.world 2 points 2 weeks ago* (last edited 2 weeks ago)

Holy crap, that's why craft beer tall cans are different from 16oz tall boys here in the states. I'd always wondered why the were 19.2.

[–] anomnom@sh.itjust.works 6 points 2 weeks ago (1 children)

Brits also think our gasoline is crappier because we use a different calculation for octane, (R+M)/2 instead of RON.

So 90 RON is actually 85.9 in the US. And in most of the country the minimum is 87 (R+M)/2.

93 Premium is like 98 RON. And race gas 100 is like 105 RON.

[–] then_three_more@lemmy.world 3 points 2 weeks ago (1 children)

To be fair though, your petrol is still insanely cheap compared to the UK and Europe.

[–] kreskin@lemmy.world 6 points 2 weeks ago (1 children)

US freedom is made from cheap gas.

[–] then_three_more@lemmy.world 8 points 2 weeks ago (1 children)

I thought it was the right to keep a bear's forelegs

[–] CertifiedBlackGuy@lemmy.world 2 points 2 weeks ago

God status = blessed 🦅🇺🇲

[–] dankm@lemmy.ca 3 points 2 weeks ago

It's weirder when you look at Canada vs USA. Mileage here is usually written L/100km, but back in the day the cars were exactly the same but the mileage in Canada was better because the the US gallon is only ~83% the size of a proper gallon.