We here at GM Authority get a lot of questions from owners asking about about the recent L87 GM engine recall, one of the most common of which is what happens when an affected vehicle passes GM’s ...

With vehicles powered by electricity and alternative fuels like emission-reducing biodiesel becoming available to drivers everywhere, moves to lessen humanity's reliance on fossil fuels are starting ...

A check engine light and traction control light appearing together often indicates a failed wheel speed sensor. Most vehicle manufacturers recommend changing engine oil yearly, even for cars driven ...

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...

India has notified new E30 petrol standards with up to 30% ethanol blending, raising concerns about mileage, engine compatibility and the impact on older petrol cars.