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Petredec has partnered with Carnot Engines to create engines capable of using various alternative fuels, including LPG, LNG, ammonia, hydrogen, methanol, and diesel. Carnot's opposed-piston engine aims for thermal efficiency of up to 70%, reducing fuel consumption and emissions.

Petredec will assist in developing an LPG-fueled version and become a shareholder in Carnot. Durability testing is set to start in Q2 2026, with initial commercial models anticipated in the latter half of 2026.