Colorado to adopt California-style low-emission vehicle standards Kacey Underwood2020-01-17T18:14:39+00:00 JUNE 24, 2018 BY SUZIE ROMIG Colorado could be using California’s rules by end of 2018 Colorado to adopt California-style low-emission vehicle standardsKacey Underwood2020-01-17T18:14:39+00:00
