Company Makes Biodiesel from Restaurant Waste A start-up company called Philadelphia Fry-O-Diesel is focused on making biodiesel fuel from restaurant trap grease. That's the slimy, sticky gunk that collects at the bottom of restaurant drains. Most restaurants pay to have the stuff hauled away.

Company Makes Biodiesel from Restaurant Waste

Company Makes Biodiesel from Restaurant Waste

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A start-up company called Philadelphia Fry-O-Diesel is focused on making biodiesel fuel from restaurant trap grease. That's the slimy, sticky gunk that collects at the bottom of restaurant drains. Most restaurants pay to have the stuff hauled away.

Joel Rose of member station WHYY reports.