Uber's tests are under way in the city of Pittsburgh in the north-eastern US state of Pennsylvania using a converted hybrid Ford Fusion car, the company said in a blog post.
Embattled German car maker Volkswagen saw a drop in April US sales of 9.7 per cent compared to the same month last year, the company reported Tuesday.
The South Korean Public Prosecutor's Office in Seoul has widened investigations against German carmaker Volkswagen in relation to the company's emissions scandal, media reported Sunday.
The computers at the wheels of Google's self-driving cars appear to be becoming more and more like human drivers.
Volkswagen's proposed US recall to correct excessive nitrogen emissions from its 2-litre diesel cars is inadequate, US environmental regulators said Tuesday.