Plenty of fascinating concepts were conceived during the 1990s. Some were too outlandish to make it onto public roads and deserved to remain one-offs, but these five were so good that we still regret ...

MAN Energy Solutions has announced a partnership with industry leaders and research institutes that will develop engine concepts for hydrogen-fuelled, medium-speed engines in the maritime sector.

BERLIN—MTU Aero Engines says it has identified a Flying Fuel Cell (FFC) and Water Enhanced Turbofan (WET) as “favored” concepts for revolutionary reductions in emissions from aircraft propulsion ...

Airbus is actively encouraging propulsion manufacturers to explore open-rotor engine concepts to offer competition to CFM International’s RISE programme. Although still a demonstrator, the RISE engine ...

Editor's note: This story is part of the WardsAuto digital archive, which may include content that was first published in print, or in different web layouts. As satisfying upcoming fuel economy and ...