Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

A California start-up has produced a vehicle ignition system it says reduces harmful emissions and raises fuel economy, while tossing aside century-old science still being used today, as the world ...

When General Motors last week unveiled a new way for dealers to order parts needed for the 2.6 million-vehicle ignition-system recall, it reminded dealers of a hard truth: They'll be waiting for parts ...