There is a popular brainteaser in China - Why don't police punish drunken driving?
The answer is - because the car is doing the drinking not the driver.
Cars in China are running on gasahol - a mixture of gasoline and ethanol, a fuel mass-produced by fermenting sugar or starch.
The cost for one liter of 93# gasoline is 4.83 yuan per liter ($2.23/gal).
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