Green Car Congress
MARCH 27, 2010
Time average mixing ratio (ppbv) of hydrogen cyanide (HCN) near 13.5 This could explain satellite measurements showing high levels of stratospheric ozone, water vapor and other chemicals over Asia during summer. km during boreal summer (June- August) derived from satellite instrument observations. Source: Randel et al.,
Green Car Congress
FEBRUARY 11, 2014
Many of the strategies employed to reduce GHG emissions will also work to meet the national ambient air quality standard for ozone in 2032. California’s vehicle GHG standards—authorized by AB 1493 (Pavley) in 2002, first approved in 2004, and extended in 2012—are delivering fuel consumption and CO 2 reductions.
Green Car Congress
AUGUST 30, 2009
The first such vehicles were introduced by Volkswagen in 2003, and by 2004, they accounted for more than 17% of the Brazilian auto market. 80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year.
Expert insights. Personalized for you.
246 
Let's personalize your content