There have been a lot of AI-driven companies that have come out of China over the past decade, putting that nation on par with the AI innovation generated in tech companies in the USA. Now, both the U.S. and Chinese autonomous driving markets are getting a boost from China-based self-driving car company Pony.ai. The company announced recently that it has raised a further $1-billion in funding, taking the valuation to $5.3-billion.