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And finally in the incongruity stakes, people in rural areas need cars, those in urban areas often could (but possibly won't) walk to work, shops, schools etc. So those who live in the healthy, green countryside have a greater need to pollute. Yet their incomes are often too low (yes, I know there are some wealthy farmers but take a look at wages for agricultural workers) to pay for more modern cars and will certainly not run to electric vehicles and other expensive innovations. If only we could persuade the urban community to give up their cars for the greater good... any volunteers?