(04 July 2022, 10:57 +07)
Embraer and Pratt & Whitney have successfully
tested a GTF-powered E195-E2 aircraft using 100% sustainable
aviation fuel (SAF) in one engine.
The aircraft completed two days of ground tests at
Fort Lauderdale International Airport, culminating in a 70-minute
flight test at Vero Beach Regional Airport in Florida.
Testing a GTF-powered E195-E2 aircraft using 100% SAF in one engine
“The E2 is already the most efficient single-aisle
aircraft flying today, saving up to 25% CO2 emissions compared to
previous generation aircraft. This reduction in emissions can be
increased up to an impressive 85% with 100% SAF. Replacement of
older aircraft by new-generation products and scaling up SAF
production are the two most effective actions commercial aviation
can take now to achieve a significant reduction in emissions,”
said Rodrigo Silva e Souza, vice president of strategy and
sustainability, Embraer Commercial Aviation. “Embraer and Pratt &
Whitney are leading the industry with products that are more
efficient for our customers and more sustainable for our society.
This test demonstrates that the E2 is ready for 100% SAF
certification and operation once the industry finalizes
standards.”
All Pratt & Whitney engines and Embraer aircraft
are currently certified to operate with SAF blended up to 50% with
standard Jet A/A1 kerosene, according to ASTM International
specifications.
Future specifications will enable blends of up to
100% SAF to maximize the emissions reduction potential of using
fuel derived from sustainable, non-fossil-based feedstock.
“SAF is a core part of our sustainability road
map, and we continue to work with industry partners and regulators
to support the development of a drop-in standard for 100% SAF,”
said Graham Webb, chief sustainability officer at Pratt & Whitney.
“This test proves that GTF engines can operate on any fuel, and
that the E-Jets E2 family is ready for 100% SAF certification once
the industry finalizes the standard for unblended SAF.”
The SAF used by Embraer and Pratt & Whitney was
100% Hydroprocessed Esters and Fatty Acids Synthetic Paraffinic
Kerosine (HEFA-SPK) acquired from World Energy.
HEFA-SPK is a
specific type of hydrotreated renewable feedstock fuel used in
aviation and is considered a leading alternative replacement for
conventional jet fuel by the Commercial Aviation Alternative Fuels
Initiative (CAAFI), due to the sustainability of its feedstock.
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