Renewable Propane

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To produce renewable propane, organic feedstocks, like animal fat and vegetable oil, are put into a refinery (sometimes converted petroleum refineries) to produce biofuel equivalents of petroleum-based products. Renewable fuels made in this manner are close enough to their fossil equivalents to be used interchangeably with them making them so-called “drop in fuels”.

As with other biofuels, they take a massive amount of biological feedstocks to make, and there is simply only so much used cooking oil, animal fat, vegetable oil, and other usable organic feedstocks available to turn into fuel. This lack of progress in bringing down the price of biofuels leaves the industry dependent on federal and state subsidies for its continued existence. Learn more:

Backgrounder from US DOE

For more detailed discussion of the pros and cons see:

Renewable Propane - a Reality Check - Green Energy Consumers Alliance - November 2023