Comments on: China unveils world’s 1st diesel engine with 53.09% thermal efficiency https://lifeboat.com/blog/2024/04/china-unveils-worlds-1st-diesel-engine-with-53-09-thermal-efficiency Safeguarding Humanity Tue, 23 Apr 2024 21:27:32 +0000 hourly 1 https://wordpress.org/?v=6.6.1