Via:
http://ohmygoditsthefunkyshit.tumblr.com/Commentary on Jalopnik has most people noticing it is Maltese, and for more oddball custom busses in the same "Almost" american 50's style:
http://justacarguy.blogspot.com/2010/01/isolation-in-remote-islands-keeps-old.html and the license plate matches a Maltese, confirming the commenters who instantly recognized that it was related to the Maltese busses,
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDrYbcVS1yrIdJKP2gAsUtr_IpQ0Q1ewmQmtviHzEX5ZFcqSenZuMgRHwOMf83el2I_fd2PIHwuVl-Pi5TSVUVKiQj5nQthnrlkgqtnEEZ6XDu1UsSwXvkQ-T61AkOmtFQXTkDUoP1FgA/s1600-h/Maltese%2520buses.jpgFor a seperate look at the busses and small trucks that look odd to me, get Google task bar (love it) to translate for you and read
http://www.zlomnik.pl/index.php/2010/07/10/na-malcie-autobusy-sa-wieczne