Sacramento, CA - Cars will likely become an endangered species in the San Bernardino and San Gabriel Mountains. Caltrans and the US Forest Service settled a lawsuit filed in the Northern California District Court by GaiaSustain, a Wyoming-base environmental organization, late Wednesday afternoon. The settlement, which keeps commercial, government, and emergency traffic in the mountains, will require the elimination of private vehicles above 2,200 feet above sea level after April 1, 2018. The 2008 lawsuit contended that vehicular traffic in the mountains violated a 1977 environmental treaty with Mexico to reduce airborne dust pollution. GaiaSustain alleged in the suit that...