The self-driving-truck startup that's been quietly moving UPS loads just pulled in $120 million in fresh funding

• The autonomous-truck startup TuSimple on Tuesday announced a Series D investment of $215 million.
• UPS, which last month announced it had taken a minority stake in TuSimple, is one of the Series D investors, along with CDH Investments and Mando Corporation.
• TuSimple has a valuation of $1 billion.
• Visit Business Insider's homepage for more stories.

One of the hottest startups in autonomous trucking just announced another cash boon.

TuSimple, which is based in San Diego and Beijing...