Times (UK): Henry Ford famously sold them in black but Irish car buyers are going for green. More than four out of five cars bought in the past nine months are ranked as among the least polluting in the country. Under changes introduced in July last year, the amount that car owners pay in vehicle registration tax (VRT) and road tax now depends on CO2 ratings instead of engine size. New statistics show that buyers are voting with their wallets and avoiding cars that do not perform well in …