TO use LPG efficiently as fuel for trucks, buses, or industrial engines, the compression ratio must be raised to take advantage of the fuel octane number. This point is explained in this paper, together with other pertinent facts relative to converting to LPG or using an engine already set up for the purpose.
The author also details the many safety factors which have been considered in the handling of LPG. Developments to date provide that, with reasonable care and attention, LPG is as safe as, if not safer than, other types of fuel in common use.
He touches on the economic advantages which can be realized now that LPG is in excess supply.