Uber resumes testing for autonomous cars in 'manual mode'

Uber said Tuesday it was taking the first step toward restarting its autonomous ridesharing program, putting its self-driving cars back on the road in "manual mode," with a driver at the wheel at all times.

Solar-powered safety: Road signs blink their warnings

Across New Jersey, more towns are using solar-powered warning signs, capitalizing on the technology's effectiveness to inform the public, warn motorists of danger and save energy.