October 12, 2019, 7am PDT
Road planners looking to increase capacity without adding lanes are focusing on managing existing lanes more effectively. Massachusetts has gone the opposite direction. The Conservation Law Foundation plans to hold them accountable.
October 3, 2019, 10am PDT
The U.S. Environmental Protection Agency wants to force the state of California to spend highway money on public transit, because of the environment.
Eno Center for Transportation
September 19, 2019, 7am PDT
The announcement was made Wednesday morning in a series of tweets by President Trump while raising cash from willing donors at several fundraisers in California. The formal announcement from EPA and DOT is set for Thursday.
August 30, 2019, 2pm PDT
Columbus achieved something no other U.S. city has managed: moving out of non-compliance with federal air quality standards for ground-level ozone.
July 3, 2019, 12pm PDT
Southern California has long been leader in air quality management, but lately the news has not been good.
June 21, 2019, 8am PDT
It took less than a year for the EPA to finalize the Affordable Clean Energy rule, which will allow older coal-burning plants to continue operating, in the Trump administration's most consequential environmental rollback accomplished to date.
June 14, 2019, 12pm PDT
President Trump made good on his promise last October to lift the E15 ban in time for the summer driving season. Not mentioned by the Des Moines Register are the downsides to allowing the higher ethanol blend to be sold during the summer, e.g., smog.
October 14, 2018, 11am PDT
President Trump announced at a campaign rally in Iowa that he would lift the ban on summertime sales of a 15 percent blend of ethanol, expected to increase smog levels. Both environmentalists and the oil industry oppose the action.
September 9, 2018, 5am PDT
The EPA intends to review the rulemaking process behind the mercury rule, the subject of a landmark Supreme Court ruling in 2015, to place more value on a rule's compliance cost to industry and less to its beneficial impact on human health.
August 27, 2018, 6am PDT
At the center of the EPA's newly proposed Affordable Clean Energy rule is doing away with a permitting process known as New Source Review that requires coal power plants to add scrubbers and other expensive pollution control equipment when upgraded.
August 5, 2018, 5am PDT
On Thursday, the U.S. DOT and U.S. EPA announced one of the Trump administration's most consequential rollbacks of environmental and efficiency regulations that will have a detrimental effect on climate change, air pollution, and oil consumption.
July 25, 2018, 1pm PDT
A New York federal district court rules on a climate change lawsuit like its West Coast counterpart did last month: Don't hold oil companies accountable for climate change and sea level rise. Baltimore and Rhode Island file climate change lawsuits.
July 23, 2018, 10am PDT
Sources leaked news of the Trump Administration's plans to dismantle the Obama-era environmental policies. The Trump Administration also aims to dismantle the Golden State's ability to regulate air pollution from vehicles.
April 24, 2018, 1pm PDT
Despite ever-stricter air-quality regulations and dropping emissions, the American Lung Association once again finds the state to have some of the worst air in the nation.
April 3, 2018, 12pm PDT
EPA Administrator Scott Pruitt announced Monday that his agency is siding with auto manufacturers and relaxing greenhouse gas emission standards for new cars and light trucks.
March 18, 2018, 11am PDT
As a result of a federal court ruling on March 12, the Environmental Protection Administration will be compelled to do what it should have done by October 1: Identify regions of the country where the air quality violates smog standards.
January 31, 2018, 12pm PST
Poor air quality has decimated the health of residents in this predominantly black community ringed by highways.
March 27, 2017, 9am PDT
A legal battle is looming between the nation's two most powerful environmental regulators after the California Air Resources Board on Friday defied President Trump by approving vehicle fuel efficiency standards that Trump has promised to ease.
January 24, 2017, 9am PST
Oklahoma Attorney General Scott Pruitt suggested that as administrator of the Environmental Protection Agency he might not allow California to set its own stricter motor vehicle emissions standards.
January 13, 2017, 11am PST
Similar violation but new player—Fiat Chrysler, accused by U.S. EPA of willfully violating emissions standards for certain models of diesel Jeeps and Ram pickups. The charge comes a day after DOJ settled civil and criminal suits with Volkswagen.