Critical Button News Today

On gasoline and to cut emissions. in washington, d.c., several collisions between cars and trolleys. and in 2012 a streetcar hit a car in philadelphia, killing the cars driver. in the charlotte crash, three people suffered minor injuries. the transit agency says it appears operator error was to blame. ron claiborne, abc news, new york. >> the driver was a 26-year veteran, apparently. >> oh, wow. >> yeah. so its not like some young kid who didnt know. apparently he forgot a switch on a critical b...