In 2012 the engineers working on Google’s self-driving car realized they had a problem. Early testers had agreed to always watch the road in case of emergencies, but many didn’t—and it put them at ...

HIGHS Standard all-wheel drive, nice blend of ride and handling, not a bad seat in the exceptionally quiet house. LOWS Starting to show its age, turbo V-6 could use more grunt, comparably demure ...

Over the next few years, several other makers of self-driving cars, companies like Ford, General Motors, and Volvo, de-emphasised or abandoned their efforts to crack the handoff problem, mirroring ...