There's a problem with several of bengolle and Lotharhake's vehicles, specifically, 'Cadillac 59 Green Cab', <kuid:73394:101919>, 'Cadillac 59 Green', <kuid:73394:101912>, 'Cadillac 59 Bluegreen', <kuid:73394:101911>, 'Cadillac 59 Beige', <kuid:73394:101915>, 'Cadillac 59 Black', <kuid:73394:101632>, 'Cadillac 59 Black Cab', <kuid:73394:101628>, 'Cadillac 59 Pink', <kuid:73394:101884>, 'Ford Fairlane 15', <kuid:73394:101551>, 'Ford Fairlane 25', <kuid:73394:101564>, 'Jaguar MKII Red', <kuid:73394:101935>, 'HP_US_Car_08_Scenery', <kuid2:68787:100339:1>, 'HP_Deville_Coupe', <kuid2:68787:100249:1>, 'HP_Deville_Cabrio', <kuid2:68787:100248:1>, 'HP-Deville_Coupe_rosa', <kuid2:68787:200604:2>, 'HP-Deville_Cabrio_rot', <kuid2:68787:200603:2>, and 'Ford_Fairlane01', <kuid2:68787:100798:1>. I suspect that there's something going on regarding the alpha layer and the fix might be here: https://forums.auran.com/trainz/showthread.php?156231-PWeiser-New-Contents-Site/page7
Picture of problem:
Picture of problem: