Green Diesel Sustainable Jet Fuel

grndslAircraft manufacturer Boeing has identified “green diesel,” which is a renewable fuel used in ground transportation, as a significant new source of sustainable aviation biofuel.

This new fuel emits at least 50 percent less carbon dioxide than fossil fuel over its lifecycle.

Boeing is working with the U.S. Federal Aviation Administration and other stakeholders to gain approval for aircraft to fly on green diesel, further reducing the aviation industry’s carbon emissions.

Boeing researchers performed analysis that found green diesel, which is made from oils and fats, to be chemically similar to today’s aviation biofuel. If approved, the fuel could be blended directly with traditional jet fuel.

Significant green diesel production capacity already exists in the U.S., Europe and Singapore that could supply as much as 1 percent – about 600 million gallons – of global commercial jet fuel demand. The wholesale cost, which is currently about $3 a gallon with U.S. government incentives, is competitive with petroleum jet fuel.

Boeing, the F.A.A., engine manufacturers, green diesel producers and others are now compiling a detailed research report that will be submitted to key stakeholders in the fuel approvals process.

These efforts follow Boeing’s leadership in working with the aviation community in 2011 to include a blend of up to 50 percent aviation biofuel in international jet fuel specifications. Biofuel approved for aviation must meet or exceed stringent jet fuel performance requirements.

Green diesel, also called “renewable diesel,” can be used in any diesel engine. It is chemically different and a different product than the fuel known as “biodiesel.”

Boeing partners with airlines, engine makers, governments, fuel companies and research organizations around the world to commercialize sustainable jet fuel. Boeing and the 27 airlines in the Sustainable Aviation Fuel Users Group are committed to develop biofuel that is produced sustainably, without adverse impact to greenhouse gas emissions, local food security, soil, water and air.

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