For which group of people might brain-powered cars allow the greatest increase in mobility?

A. children or young adults

B. people with physical disabilities

C. highly educated people

D. wealthy business people

B, people with physical disabilities.

The invention of brain-powered cars would significantly increase the mobility of people with physical abilities.

Since these people have difficulties with walking, running and other motoric tasks, brain-powered cars would enable them to overcome their physical disabilities and be more mobile, increasing their overall quality of life.