Scientists Measure Pollution Near Caldecott Tunnel

Berkeley Lab researchers are measuring truck emissions from above the Caldecott Tunnel. The effort, led by Berkeley lab Staff Scientist Thomas Kirchstetter, aims to track pollutants emitted not just from trucks generally, but from individual trucks. The study has already determined that California’s new emissions controls seem to be working, with “a factor of 10 decrease in the amount of diesel particulate matter".

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