I saw this article on MSN that California has withdrawn it's EPA waiver request to allow them to begin phasing in a ban on diesel trucks. I imagine there is a big sigh of relief in the trucking industry this week that they've gotten at least a temporary reprieve.
California Ditches 'Unachievable' Scheme To Mandate Green Trucks
California Ditches 'Unachievable' Scheme To Mandate Green Trucks