Robert Harley, CEE professor in environmental engineering, was interviewed by KALW Local Public Radio about how stricter diesel emissions standards are changing the air we breathe.
In 2010, the California Air Resources Board created a new set of emissions regulations for diesel engines. On a rolling basis, freight trucks are required to retrofit older engines, or to buy completely new trucks to meet stricter emissions standards. While those requirements can be expensive for truckers, so are the environmental impacts.
Read Stricter diesel emissions standards show results in Port of Oakland air quality
See Berkeley Transportation Letter's Diesel truck emissions in Oakland fall sharply
See Port of Oakland press release (Jan. 31) UC Berkeley Study Finds 50% Reduction in Diesel Emissions from Trucks at Port of Oakland.