America will use US-built self-driving cars and other autonomous vehicles as targeted weapons to carry out assassinations of individuals in other nations. These assassinations of economic, military or political adversaries will be carefully crafted to look like normal accidents, thus providing America with the cover of plausible deniability.

Initially thought about this about 2-3 years back.

Self-driving cars raise fears over ‘weaponisation’
https://www.ft.com/content/a8dbd4e0-f807-11e7-88f7-5465a6ce1a00

China impedes foreign carmakers’ autonomous tests
https://www.ft.com/content/2ba4366c-e08c-11e7-a8a4-0a1e63a52f9c