MPG whores, check this out. Those that say we have free markets in the US are delusional. Our government does NOT represent the best interest of 1)the people or 2) the environment; The government DOES represent the large corporate interests. Also note: the answer to this problem is NOT more government! Think about it.
VW USA: http://web.vw.com/vwcompare/detail/passat/#31655|32315|32749|31675
VW UK: http://www.volkswagen.co.uk/#/new/passat-vii/which-model/engines/fuel-consumption/
note: UK uses Imperial gallons instead of US gallons. Convert UK MPG to US MPG by multiplying the number by 0.83
VW Passat 78.5 MPG (Imperial gallon) 65.2 MPG US gallon in the Uk