Why it matters: A Y Combinator-backed startup has developed a groundbreaking jet engine that could make supersonic flight as affordable as current commercial aviation. As Freethink reports, this isn’t ...

Moreover, the engines are designed to run on liquid natural gas (LNG), which is 1/10th the price of traditional jet fuel, offers more energy per unit weight, and produces 30% less CO2 when burned. The ...

In May 2025, Delhi NCR-based Green Aero also successfully demonstrated its first hydrogen-powered jet engine named The Blue Dragon, but commercial deployment of such engines is still a long way away ...

The race to bring hypersonic flight into the real world just took a leap forward with Venus Aerospace's successful test of a revolutionary engine. The Houston-based startup has developed a compact ...