Consumer Reports: vehicle reviews, in-car product reviews, ratings and sneak peeks, automotive news, car buying advice and child seat safety ratings

Consumer Reports has long advocated that drivers check their car's tire pressure monthly to prevent uneven tire wear and tire failure. Now, a new study by the National Highway Traffic Safety Administration (NHTSA) reinforces that advice by determining that vehicles driving on tires underinflated by more than 25 percent are three times more likely to be involved in a crash related to tire problems than vehicles with proper inflation. And tires underinflated up to 25 percent run the risk of overheating, leading to failure, and at the very least adversely affecting handling and tread life.

To kick its addiction to oil, the United States needs a raft of alternatives; no single alternative is likely to replace such an entrenched market any time soon. But electric car advocates at the Electric Vehicle Symposium held recently in Los Angeles say battery-powered cars are the one alternative that can meet all needs. Electricity isn't a fuel per se, only an "energy carrier." To generate electricity, you have to produce power from some other fuel source, such as coal, oil, and nuclear, or harness energy from renewable source, such as wind, hydro, or solar. Interestingly, this flexibility answers some big concerns of alternative-fuel critics.

The safety of 2012 Hyundai Elantra sedans is being investigated after the U.S. National Highway Traffic Safety Administration received a report from an owner who had been severely cut from a piece of metal reportedly from the car's side air bag deployment during a collision.