alam ko naglabas na dati ang senbel. parang namatay din yata saka sa quezon province lang daw yata nabenta. from what I've read sa isang study done in UP TMC (traffic mangt center yata tawag dun, basta yung katabi ng Melchor hall, yung may malaking sundial), nasubok na yata nila sa tricycles. can't remember the results though... parang reduced emissions din yata. medyo maingay lang daw kasi di makuha ng cme ang viscosity required for a lubricating oil...masyado sya malabnaw.
try browsing thru these links:
http://www.vespinoy.com/forum/index....ic=265.msg4358
http://www.pcierd.dost.gov.ph/news/pcierdway.htm
google mo lang +2T oil +CME
dami ka links makikita