Any owners of S80 Bi-Fuel model out there?

Regardless Euro or US specs.

I would love to hear their opinions and owners insights/experiences.
:lol2:

http://sc2.vcc.m.volvocars.se/vcc_re-design/vcc/VCC-3F235BDD-D2A2-11D4-95E4-0000F806B177/agi.jpg

http://sc2.vcc.m.volvocars.se/bilder/bifuel/images/acceleration.jpg