Green Car Congress
JANUARY 3, 2023
California’s Truck and Bus regulation ( earlier post ) has been in effect since December 2008, with the purpose of reducing emissions of diesel particulate matter (PM), oxides of nitrogen (NO x ) and other criteria pollutants from in-use diesel-fueled vehicles. The regulation applies to: Diesel vehicles with a GVWR greater than 14,000 lbs.
Green Car Congress
AUGUST 28, 2020
The California Air Resources Board approved a new regulation designed to reduce pollution further from ocean-going vessels while docked at California’s busiest ports. The rule builds on progress achieved by the At-Berth Regulation adopted in 2007.
Green Car Congress
SEPTEMBER 19, 2020
Line’s Oakland fleet did not meet the three-hour diesel engine operational time limits, and did not reduce auxiliary engine power generation by 70% as is required. The original At-Berth Regulation, adopted in 2007, requires vessel fleets to reduce their diesel engine power generation while docked.
Green Car Congress
APRIL 2, 2013
The Puget Sound Clean Air Agency is soliciting proposals from qualified bidders to test engine upgrade and conversion technologies on older heavy-duty diesel trucks. Diesel engines emit fine particle pollution, a toxic pollutant of concern to the Puget Sound Clean Air Agency. grams per brake horsepower-hour.
Green Car Congress
NOVEMBER 3, 2011
Pollution is making Arabian Sea cyclones more intense, according to a study in the journal Nature. The Nature paper suggests that weakening winds have enabled the formation of stronger cyclones in recent years—including storms in 2007 and 2010 that were the first recorded storms to enter the Gulf of Oman.
Green Car Congress
JUNE 17, 2015
demonstrates that mandatory upgrades to diesel truck fleets serving the Port of Oakland are responsible for significant reductions in two major air pollutants. Pollutant concentrations were measured at high time resolution in the exhaust plumes of more than a thousand drayage trucks as they drove toward the Port on a major access road.
Green Car Congress
JANUARY 27, 2015
exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. The engine was run on a unique and strenuous operating cycle that represented more closely the behavior of modern engines than operating cycles used in older long-term studies of TDE.
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