The Consumer Product Safety Commission is trying to change its image, one civil penalty at a time. For decades, the federal agency largely was seen as a doormat with few resources and a toothless enforcement record. But over the past few years, under its chairman, Elliot Kaye, the CPSC has dramatically increased the penalties imposed on wayward companies, including multi-million dollar settlements with firms accused of failing to make timely disclosures of product hazards.

On Valentine’s Day in Silicon Valley, one of Google’s experimental, self-driving cars sideswiped a city bus at 2 miles an hour. The incident marked the first time an autonomous car contributed to an accident on a public road, but did nothing to diminish the Obama administration’s enthusiasm for driverless vehicles.

Darkness had enveloped the Newell Recycling yard by the time Erik Hilario climbed into a front-end loader on a cold evening in January 2011. Just 19 years old, Hilario, an undocumented immigrant, had followed his father from Mexico to an industrial park in East Point, Ga., near Atlanta, where they worked as low-skilled laborers amid jagged piles of scrap metal bound for the smelter.

Internet entrepreneur and branding consultant Amy Ziff says she had to become a “weekend toxicologist” five years ago when she discovered her twins were allergic to diapers, baby wipes, creams and lotions.

A $305 billion highway bill approved by Congress and signed by President Obama last week includes several provisions aggressively sought by the trucking industry that, critics say, will undermine traffic safety.

Big rig crashes kill nearly 4,000 Americans each year and injure more than 85,000. Since 2009, fatalities involving large trucks have increased 17 percent. Injuries have gone up 28 percent. Given these numbers, you might expect Congress to be agitating for tighter controls on big rigs.

As both a veteran railroad worker and union official responsible for safety, Mike Elliott became alarmed when he learned of trouble-plagued train signals in his home state of Washington. Signals, he said, at times would inexplicably switch from red to yellow to green – potentially creating confusion that could lead to a crash. Elliott raised that and other signal issues repeatedly with his managers at BNSF Railway Co.