The Trump administration has proposed weakening the CAFE standards, which have improved gas mileage for millions of American cars, trucks and SUVs.

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 ...

Think of it as Google Maps for your lungs. In 64 California communities, including more than a dozen in the Inland Empire, cars resembling the self-driven Waymo rideshare vehicles are driving precise ...

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 an aerial view, cars travel along Interstate 80 in Berkeley, Calif., on January 16, 2024. The regulations that require automakers to build more efficient, cleaner vehicles are being loosened under ...