Engine exhaust - even cheaper & inert (but smelly)! Barry At 10:24 AM 02/06/2000 -0700, you wrote: >CO2 !!!! > >Cheap and inert... > >LW ---------------------------------------------------------------------------- To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes) in the body of a message (not the subject) to majordomo at lists.diy-efi.org