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Investors hunt for latest trend in transport technology

Everyone has to get from A to B and that means there is a lot of money to be made in the transportation business.

Increasingly, the focus is on the use of new technologies, ranging across everything from self-driving cars to new smartphone applications that can help hail a ride or navigate the shortest route.

So what are investment firms targeting? The BBC's Mariko Oi went to find out.

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