The number of cars on the world’s roads surpassed one billion last year, according to a study that has spurred debate on what the rapidly-growing car population will mean for the world’s economy and environment.

According to a report from Ward’s Auto released last week, the global number of cars exceeded 1.015 billion in 2010, jumping from from 980 million the year before.

Not surprisingly, China led the way in vehicle growth, with the number of cars on Chinese roads increasing by 27.5 per cent, amounting to half the entire global growth.

That gives China the world’s second largest car population, with 78 million vehicles. But the United States still constitutes by far the largest vehicle population in the world, with 239.8 million cars, the Ward’s study reported.

Read the entire article at the: Huffington Post