Related on MNN: Our car blogger weighs in.
Video: Obama's energy czar on new car standards
Carol Browner talks with MSNBC about Obama's historic new car standards and how it will help the American auto industry.
Subscribe to our newsletter
Record-breaking 'monster wave' detected in Southern Ocean
What's that sound? 7 wildlife calls you might hear in your backyard
Tucson to resurrect river with recycled water
21 images that capture the raw beauty of nature
12 plants that repel unwanted insects
How much can a 2,000-mile hike on the Appalachian Trail change a man? Take a look