and even hybrid rocket engines are becoming passé. We’ve never seen a liquid-fuel rocket build before, so that’s what this roundup evolved into. First up is [Robert Watzlavick], who has been ...

However, one of the major criticisms aimed at LNG dual-fuel engines is methane slip, the emission into the atmosphere of ...

The test, performed for the development of the Cosmos engine for the Zero rocket, lasted 10 seconds and showcased liquid biomethane as a sustainable rocket fuel. The combustion chamber test not ...

Interstellar Technologies Inc. recently performed a combustion chamber static fire test at Japan's Hokkaido Spaceport as part of the development of the Cosmos engine for its Zero rocket.

The new engines will share the same basic engine design concept as the 50-centimeter bore LGIM engines that have already been ...

Most commercial hydrogen is made by reacting methane ... engine that ran on a combination of ammonia and coal gas. The X-15 aircraft also used ammonia as one component in the fuel that powered its ...

Volvo Trucks' technology for methane gas + diesel - summary of strengths: Volvo Trucks is the first manufacturer to run efficient diesel engines on gas at Euro 5 levels Approximately 25 per cent ...

Finnish technology provider Wärtsilä has launched its NextDF technology for its Wärtsilä 25DF dual-fuel engine, with an aim to lower methane emissions from ships. This feature ensures that ...

Elon Musk endorsed a carbon tax at Tesla's annual shareholder meeting on Thursday, a position he's held since 2015, even though implementing one could impact his spaceflight ambitions. Earlier ...

In July, LandSpace hit a benchmark in that race with the launch of the world’s first methane-liquid oxygen rocket, the Zhuque-2 Y-2, putting China ahead of U.S. rivals including SpaceX and Jeff ...

Update: Astrobotic’s Peregrine lander fell back to Earth 10 days after launch due to a propellant leak that ruled out a moon landing. United Launch Alliance’s next-generation Vulcan Centaur ...