\input tex \quarterpage \input hangpunc \twelvepointsanserif \font\hl=bs0006 scaled\magstep5 \centerline{\hl CLEAN AIR VEHICLE} There is a practical alternative to gasoline for your motor¨ vehicle (or other Internal Combustion engine) -- LPG, otherwise¨ known as PROPANE. And it's available {\it now}. \vskip\parskip \begindoublecolumns {\obeylines\parskip=0pt \blob Pollution free -- CO$_2$ only \blob Fuel available everywhere \blob Triple engine life \blob Engine oil stays clean \blob Fewer tuneups \blob Increased reliability \blob Available components \blob Do it yourself } \enddoublecolumns \vskip\parskip \centerline{\hl PROPANE/LPG} \noindent{\bf ``Do-It-Yourself Automotive LPG Conversion}'' is a booklet¨ covering basics on fuels, LPG vs. alcohol, on\dash the\dash road¨ anecdotes, an LPG ``gas can'', choosing components and¨ installation of a typical LPG system in the author's car. Aimed¨ at people with technical skills and interests. 40 pages with¨ photos. {\bf \$5.00} includes postage, from: \vskip\parskip \centerline{\bf World Power Systems} \centerline{Box 77731} \centerline{San Francisco} \centerline{CA 94107 USA} \vskip\parskip \centerline{\hl NO MORE GASOLINE!} \bye