NHTSA finds that more SUVs, pickups are less likely to roll over in crashes thanks to electronic stability control systems
Background
Ratings derive from calculation of distance between vehicle wheels, height of center of gravity
Formula predicts chances of rollover in single-vehicle crash
5-star vehicle has less than 10% chance of rolling over
4-star rated vehicles have 10%-20% risk; 3 stars means 20%-30% risk
