GoodGuide Car Ratings: Smart Electric Rates Tops, Dodge Dakota Tanks

The Smart Fortwo Electric outranks more than 3,500 cars rated by GoodGuide, while the Dodge Dakota comes in last. Smart also ranks as the top overall automotive brand, while Aston Martin was rated worst.

GoodGuide helps consumers find healthy, green, ethical products based on scientific ratings. Its experts have rated more than 65,000 consumer goods -- including food, personal care and household products -- using three factors of increasing importance to consumers: concern for the environment, personal health and social responsibility.