Mont Belvieu Propane is a gas that can be compressed to a liquid. It is listed as a clean fuel on the 1990 Clean Air Act and has numerous applications. The contract size is 42,000 gallons and takes its name from the city of Mont Belvieu,TX due to it's massive gas storage facility.The Propane prices displayed in Trading Economics are based on over-the-counter (OTC) and contract for difference (CFD) financial instruments. Our market prices are intended to provide you with a reference only, rather than as a basis for making trading decisions. Trading Economics does not verify any data and disclaims any obligation to do so. This page provides - Propane- actual values, historical data, forecast, chart, statistics, economic calendar and news. Propane - actual data, historical chart and calendar of releases - was last updated on May of 2018.