The offerings for spark-ignited (SI) engines are greater than ever when it comes to the diet of hydrocarbons needed to keep them well-fed and operating properly each day. If this statement sounds familiar, it is because people said it before regarding natural gas.
Well, when it comes to gaseous fuels in general, there is another particularly pleasant one — propane — that deserves further attention. Its discovery, distribution and desirability as an engine fuel make for a compelling story. Here, I’ll first take readers back about 100 years ago for a history lesson.