General Motors announced bold moves to drastically cut costs as the beleaguered automaker struggles amid the rapidly changing marketplace and union strikes. Through restructuring, cost-cutting, head-count reductions, and product plan shifts, GM aims to bolster its liquidity by $15 billion through 2009...

Motorists continue to clamor for GPS-based navigation services, as sales of in-car and portable devices soar. GM’s OnStar telematics division has been competing in this space with a “ turn-by-turn ” service, allowing drivers to request directions from a human advisor that are then downloaded to the vehicle...