Americans are driving older cars than ever, and the trend is quietly reshaping the air […] ...

Cars are among the greatest air pollution problems in America. According to the EPA, “Greenhouse gas (GHG) emissions from transportation account for about 28 percent of total U.S. greenhouse gas ...

In cars, pollution doesn’t come from exhaust alone. It also comes from wear and tear on roads, tires, and brakes. According to new research, tiny bits of dust cast off by brake pads may inflict more ...

For years the Environmental Protection Agency has pushed carmakers to reduce how much vehicles contribute to climate change. Today the EPA laid out plans to not just weaken those rules, but end them ...

Add Yahoo as a preferred source to see more of our stories on Google. STORY: This is what a car-free day looks like in Bogota, Colombia's capital. The city banned private cars for a day on Thursday - ...

Ministers are stopping councils cracking down on polluting cars – despite growing evidence that their fumes cause asthma in children. They are prohibiting more than three-quarters of England's local ...