Our govt decided to confuse the hell out of us in the 70's....so they decided to go to the European systems, even though our biggest trading partner was the US....gotta love those bonehead bureaucrats...
Hey, just goofin, but speakin of dozers, I heard that some preacher down there saw a 666 in a serial number of a dozer blade and decided that it was the work of the antichrist....maybe he was dozing churches or sumtin....