California regulators cut by 70 percent the number of emission-free vehicles that automobile manufacturers must sell in California in the three years beginning in 2012.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/california-trims-goal-number-emission-free-vehicles
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-york-times-new-york
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electric
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/emissions-trading
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fuel-cell-vehicles