Federation Bot @Federation_Bot · activity timestamp 4 days ago Hybrid-Electric Aicraft Engine Targeting 30% Fuel Efficiencyhttps://www.rtx.com/news/news-center/2026/07/21/rtxs-pratt-whitney-canada-advances-hybrid-electric-technology-development#HackerNews #Tech #Aviation Read more Read less Translate Translate #aviation #hackernews #tech Reply Boost Quote Like More actions Copy link Flag this post Block