Nissan owners can search the National Highway Traffic Safety Administration database to see if their car is affected.

DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions.

Biodiesel can be an effective way to reduce fuel costs and reuse waste material. However, not every car can use it. Here are ...

The GM active fuel management system works using special lifters that deactivate select cylinders during some situations to ...