Propane does not burn 100% clean, but it burns significantly more cleanly than other fossil fuels. As a vehicle fuel, it produces far fewer greenhouse gas emissions than diesel fuel or gasoline.

Is propane the cleanest fuel?

Effect on the Environment

Propane is a green fuel that is considered friendly to the environment before and after combustion. It is known to be one of the cleanest burning fossil fuels. In fact, cars that run on propane tend to produce 30–90% less carbon monoxide than cars that run on gasoline.

Does propane burn cleaner than gas?

They ran a lifecycle analysis on the emissions content of propane and found that, “propane use reduced GHG emissions by nearly 10%, and when derived as a by-product of natural gas production, propane reduced petroleum use by 98% to 99%.” Propane is an inherently cleaner burning fuel than gasoline, due to its lower ...