March 11, 2016, 7am PST
Those Volkswagen cars fitted with the cheat device are a health hazard to city residents. Actually all diesel vehicles are. But the fact that those cars are effectively polluting over 40 times the legal limit means we should take immediate action
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.
February 4, 2016, 9am PST
When the public learns that freeway pollution discriminates against nearby residents with devastating health consequences, the tide of public opinion will finally turn against the automobile—a call to action by Bill Adams.
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
November 29, 2015, 5am PST
Matthew Pencharz, Deputy Mayor for Environment & Energy for the Greater London Authority, does not see diesel as the right technology for driving in the city. Also blames the European Commission for for being too lenient with emission standards
October 18, 2015, 5am PDT
Two separate New York Times articles examine cars powered by electricity in Norway and diesel fuel in Britain and Western Europe in the wake of Volkswagen's emissions scandal. A critic of the Norway's e-car subsidies subtly ties the two together.
September 25, 2015, 1pm PDT
Amidst the bad publicity coming from Volkswagen's engineered fraud on diesel emissions testing comes good news from California Air Resources Board: The cancer risk from airborne toxins, most of which come from burning diesel fuel, dropped 76 percent.
California Air Resources Board
December 16, 2014, 12pm PST
Parisian clean air politics turn out to be something of a class issue, even for a socialist mayor. The plans are seen as penalizing low income Parisians while benefiting elitist city dwellers who dislike traffic, overshadowing public health benefits.
March 24, 2014, 6am PDT
Thanks to the 2010 federal requirement of ultra-low sulfur diesel fuel and new Tier 4 emissions standards by the EPA, particulate emissions from non-road diesel engines, including agricultural and construction equipment, have been reduced by 99%.
Environmental Health News
February 18, 2014, 10am PST
So much for switching from diesel fuel to natural gas to protect the environment. A new report concludes that it is best to stick with oil-based fuels because methane leakage from natural gas is much greater than currently estimated.
The New York Times - U.S.
October 27, 2013, 1pm PDT
Nonunion truckers at the Port of Oakland are on a work-stoppage over both work rules and compliance with a 2008 CARB diesel regulation requiring drayage trucks to be 2007 or newer. They want a year extension and more funding to assist in compliance.
October 9, 2013, 10am PDT
Thanks to a Calif. law implemented in 2008 requiring ocean-going ships to switch from high-sulfur bunker fuel to cleaner fuels within 24 miles of the coast, Bay Area air quality significantly improved by reducing deadly particulate emissions.
June 21, 2013, 8am PDT
This toxic emission is not only a threat to public health but also the second largest contributor to global warming, according to CARB. A new study has found that regulations to reduce diesel emissions fight both climate change and air pollution.
March 22, 2013, 5am PDT
Air pollution is second only to smoking as a cause of premature death in Britain. So why haven't the country's leaders taken action to address the problem?
January 18, 2013, 6am PST
31 atmospheric scientists have written a new study on the major component of soot called 'black carbon', long identified with causing respiratory problems - and have shown how it is the 2nd most important agent of climate change after carbon dioxide.
December 17, 2012, 9am PST
In what could be viewed as a classic environmentalist vs. business showdown, the EPA tightened by 20% the annual standard for soot over the objection of industry and some in Congress who fear it will dampen economic growth.
The Hill's Energy & Environment Blog
November 22, 2010, 1pm PST
Lax enforcement of standards created to limit exhaust from idling diesel-powered vehicles and buses shows that there is still work to be done in Mayor Richard Daley's quest to position Chicago atop the list of the nation's greenest cities.
February 20, 2009, 6am PST
At 3 AM, Feb. 19, the state Senate secured its third Republican vote necessary to pass a budget and fill the $42 billion budget deficit. This article looks at one of many environmental rollbacks demanded by Republicans.