CFM's RISE program is developing a counter-rotating open fan engine targeting 20%+ fuel burn improvement over current LEAP engines, with entry into service targeted for the mid-2030s.
VectorZeroAvia's hydrogen fuel cell technology has proven itself in flight, but airport infrastructure - not engineering - is the constraint that will determine when and where hydrogen-powered regional aircraft actually enter service.
VectorZeroAvia's hydrogen-electric ZA-600 powertrain targets the energy density gap that makes batteries unworkable for regional aviation beyond the pattern.
VectorPhillips 66 Aviation arrives at NBAA-BACE 2026 with a century of fuel history and a refiner-direct supply model positioned for the SAF transition ahead.
TowerHydrogen propulsion is advancing on two distinct engineering paths - combustion and fuel cell - each with different timelines, tradeoffs, and implications for pilots.
VectorCFM International's RISE program targets more than 20% better fuel burn by eliminating the nacelle entirely, marking the most fundamental rethink of commercial jet propulsion in decades.
VectorAn American Airlines flight became the first U.S. commercial flight on electro-SAF made from waste CO2 and renewable electricity.
TowerAmerican Airlines completed the first US airport delivery of electro-SAF and flew paying passengers on a synthetic jet fuel blend.
TowerRadio Hangar explores CFM RISE, the Open Fan Engine With No Cowling, and the Twenty Percent Fuel Burn Bet on the Airplane That Replaces the Single-Aisle Jet.
VectorTurbotech's regenerative turbine cuts fuel burn by a third, putting small turboprops back on the table for light aircraft.
TowerAircraft delivery delays from Boeing and Airbus are eroding aviation's 2050 net-zero timeline by forcing airlines to keep older, less fuel-efficient jets flying longer than planned.
TowerAirbus ZEROe aims to deliver hydrogen-powered commercial aircraft by 2035, replacing jet fuel with a radical new energy source.
VectorJapan Airlines is testing rice bran biodiesel for airport ground equipment at Yamagata Airport, signaling a new feedstock pathway for aviation decarbonization.
TowerBoom Supersonic's Overture aims to revive supersonic commercial flight, but the clean-sheet Symphony engine remains its biggest risk.
VectorEBACE 2026 in Geneva showcases business aviation technologies that will shape general aviation cockpits within the next decade.
VectorSustainable aviation fuel is flying today on over 700,000 commercial flights, cutting emissions up to 99% with zero aircraft modifications required.
VectorFive distinct chemical pathways are competing to produce sustainable aviation fuel, each with different feedstocks, costs, and timelines to replace Jet-A.
VectorThe UK now allows airlines to preemptively cancel flights when fuel shortages loom, prioritizing safety margins over schedule pressure.
TowerThe Rolls-Royce Trent XWB has surpassed 40 million flight hours with 99.9% dispatch reliability, setting the benchmark for modern long-haul turbofan performance.
TowerSustainable aviation fuel can cut lifecycle emissions up to 80%, but production covers just 0.2% of global demand.
Vector