NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel
Green Car Congress
AUGUST 9, 2012
CO2 ratio for this flight track segment decreased from 24.5 Detailed VOC measurements from two aircraft campaigns in the LA basin in 2002 and 2010 were used to show that VOC emissions have been reduced by about a factor of two in those eight years. ppbv/ppmv to 10.7 Source: Warneke et al. Click to enlarge. —Warneke et al.
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