A web page with 'science' in the URL that agrees with your misinformed opinion. Yeah; I'll take that as sufficient evidence to refute a universe of facts.

If you change one side of an equation you have to make exactly the same change to the other side for the equation to remain equal.

Keep digging.

I haven't the faintest idea what a US or UK gallon is so I leave that conversion to you. I'm just using the manufacturer's quoted figures, via wikipedia.

I can tell you that I only fill up my Citroën C1 4-5 times a year.

>why haven't gas powered vehicles gotten that much more fuel efficient??

Petrol engines have. e.g. The 1 litre, 3-cylinder Toyota engine has been available in various Toyota, Peugeot, Citroen, Daihatsu cars for 20 years or so and will easily return 60 mpg.

You just don't see such 'city cars' in the USA because no red-blooded meat-eating christian would buy such a silly little vehicle.

First there are billions of insects and billions of individuals will not survive winter.

Different species adopt different strategies to get through. Some rely on their eggs to carry the species on; they lay them in sheltered places: under tree bark, leaf litter, underground. Some attempt to find sheltered places to hibernate. Some allow their entire population to die off leaving only the fertile queen to make it to Spring.