
U.S. safety regulators are demanding that General Motors turn over reams of documents and other data showing what the company knew and when it found out about a dangerous ignition problem that has been linked to 13 car-crash deaths.

U.S. safety regulators are demanding that General Motors turn over reams of documents and other data showing what the company knew and when it found out about a dangerous ignition problem that has been linked to 13 car-crash deaths.