EPA to ease emission limits, reports say, setting up clash with California

Chrome exhaust pipeThe omens have been accumulating for months, as bits of information dribble out of the regulatory rumor mill in Washington, D.C. Now we have the most concrete reports yet that the U.S. EPA plans to modify exhaust emission limits for vehicles in model years 2022 through 2025. The EPA delivered its draft Final Determination document to the Office of...

CA attorney general: we will fight looser fuel-economy, emission rules

National Plug-In Day 2012: San Francisco, with 60 Nissan Leafs in front of the Golden Gate BridgeLast Tuesday, EPA administrator Scott Pruitt said the agency does not intend to let California set the agenda for national emission limits on vehicles. He suggested to Bloomberg the EPA plans to cut emission rules aggressively to respond to carmakers' pleas for easing of the corporate average fuel economy rules for 2022 through 2025 that they had...

Cars now clean enough that household products rival them for air pollution

1970s Los Angeles smog depicted in the Honda short film The first major emission controls on motor vehicles were introduced in 1975 with the advent of the catalytic converter. Today's cars emit less than 1 percent of the three "criteria" pollutants that came out of their tailpipes half a century ago. They emit relatively so little carbon monoxide, nitrogen oxides, and hydrocarbons that the collective...

Electric cars got even cleaner in a year, new grid data shows

Electric-car wells-to-wheels emission equivalencies in MPG, Mar 2018 [Union of Concerned Scientists]More good news about electric cars in the U.S.: the emissions associated with the electricity used to charge them have fallen. Again. Based on the latest data on powerplant emissions from the EPA, an electric car on the road in the U.S. now has average emissions as low as an 80-mpg car. DON'T MISS: Electric cars cleaner than any gas-only car for...