The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. April 2, 2010 U.S. Limits Greenhouse Emissions in Cars ---------------------------------------- The Obama administration meanwhile has formally submitted its fuel efficiency standards for limiting greenhouse gas emissions from cars and light trucks. Automakers will be required to improve fuel economy at an annual rate of five percent until reaching 35.5 miles per gallon in 2016. The new fuel standards will mark the first time the US has imposed limits on greenhouse gas pollution. .