October 24, 2018, 1pm PDT
It's well known that an electric vehicle is only as clean, from a greenhouse gas perspective, as the electricity it consumes to power it. A new study finds that the electricity used in the manufacturing of car batteries also must be considered.
July 9, 2018, 5am PDT
Friday may have been disgraced EPA Administrator Scott Pruitt's last day in office of the agency in charge of protecting the nation's environment, but he still managed to roll back a regulation to create lasting air pollution far greater than VW did.
August 21, 2017, 7am PDT
Because of the coal power it displaces, solar and wind energy generated in the Mid-Atlantic, and Upper Midwest has an outsized impact.
August 2, 2017, 7am PDT
The biggest obstacle to the adoption of electric vehicles in California, a shortage of charging infrastructure, just became a lot more manageable thanks to $200 million from Volkswagen stemming the from the dieselgate settlement.
July 31, 2017, 8am PDT
Is the movement away from gasoline and diesel-powered cars unstoppable? In response to air pollution litigation, the British government announced on July 26 that sales of gasoline and diesel vehicles would be banned by 2040.
July 1, 2017, 11am PDT
At a June 22 meeting, the Los Angeles County Metropolitan Transportation Authority board ordered 295 buses that will be fueled with renewable natural gas. An expected purchase of 35 electric buses was delayed until next month's meeting.
June 20, 2017, 9am PDT
The move is risky. The agency has no electric buses now, and the last ones it operated performed so badly they had to be returned. The plan is to make the transition in phases, and hope that battery technology improves.
May 17, 2017, 11am PDT
While the study stems from research that found Volkswagen diesel cars had used 'defeat devices' to pass emissions tests, the new study points to inadequacies in the tests themselves, resulting in 50 percent higher pollution than testing permits.
The International Council on Clean Transportation
April 23, 2017, 7am PDT
The California Air Resources Board has petitioned the U.S. EPA to adopt more stringent emissions standards for locomotives in order to improve air quality at rail yards, many of which are located adjacent to disadvantaged communities.
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.
July 20, 2016, 8am PDT
Forty so-called Tier 4 locomotives, a U.S. Environmental Protection Agency designation requiring a dramatic reduction in particulate and nitrogen oxide emissions, will be joining Metrolink's fleet covering 512 track miles in six counties.
May 9, 2016, 7am PDT
A Planetizen blog post by Casey Brazeal asks, "When will the trucking industry electrify?" Three truck manufacturers and electric truck builder BYD Motors are now in competition thanks to a $23.6 million state grant to the South Coast Air District.
March 22, 2016, 10am PDT
The South Coast Air Quality Management District is in the news again, this time for going too easy on the region's big polluters—just what staff had warned would happen before the board fired its well-respected executive director.
February 4, 2016, 10am PST
Volkswagen has already submitted its recall plan for its 2-liter diesel engines—it was rejected by both the EPA and California Air Resources Board. It also needed to submit a recall plan for 3-liter diesel engines to CARB by Feb. 2, which it did.
January 7, 2016, 7am PST
It's easy to focus on the sensational headlines based on the fraud committed by Volkswagen, but doing so masks the deadly and ongoing problems of diesel emissions plaguing the world's densely populated cities.
December 29, 2015, 7am PST
Unusually mild and dry weather in much of Italy has worsened air quality so much that city governments are acting to reduce emissions from one of the chief sources of air pollution by enacting odd-even license restrictions on driving.
The New York Times - Europe
December 21, 2015, 2pm PST
It took an act of the Supreme Court for India to address the incredibly unhealthy levels of particulate matter in New Delhi. New rules are aimed at diesel cars, SUVs, and taxis. In Beijing, pollution triggered a red alert for only the second time.
The New York Times - Asia Pacific
October 15, 2015, 11am PDT
Credit EPA emission regulations for the decisions by utilities to close the aging plants. Michigan receives half its power from coal—the most polluting fossil fuel. The new Clean Power Plan rule will cause more remaining plants to close in time.
October 2, 2015, 10am PDT
The EPA chose to reduce the current standard of 75 parts per billion, unchanged since 2008, by 5 ppb. Public health and environmental groups insist that a safe standard would be 60 ppb, while businesses point to the high costs to comply with 70 ppb.
July 1, 2015, 8am PDT
The answer depends on location, according to previous studies on EVs. The study from NBER evaluated both gas and electric-powered vehicles to determine their effect on the environment. A surprising recommendation is a new road funding option.