San Francisco ChronicleBay Bridge-tanker collision raises concerns overshipindustry's use of low...San Jose Mercury NewsDense fog makes San Francisco one of the nation's most challenging places to pilot an airplane or aship. But while jet aircraft have highly sophisticated electronic, computer and communication systems, most oil tankers and other large commercialships...Bay Bridgeshipsafety rules to be reconsideredKTVU San Franciscoall 64 news articles »