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%.
Mar 24, 2014 Environmental Health News
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.
Feb 18, 2014 The New York Times - U.S.
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.
Oct 27, 2013 San Francisco Chronicle
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.
Oct 9, 2013 BAAQMD News Release
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.
Jun 21, 2013 San Francisco Chronicle
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?
Mar 22, 2013 The Guardian
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.
Jan 18, 2013 The New York Times
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.
Dec 17, 2012 The Hill's Energy & Environment Blog
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.
Nov 22, 2010 The Chicago Tribune
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.
Feb 20, 2009 Los Angeles Times