The article discusses the current landscape of alternative engine solutions in the automobile industry, focusing on the competition between electric engines, hydrogen fuel-cell technology, and emerging ethanol-powered engines. While electric engines remain dominant, hydrogen is positioned as a strong competitor, with companies like Toyota leading the way in hydrogen fuel-cell production. John Deere's introduction of a 9.0-liter ethanol-powered engine showcases the potential of biofuels in reducing CO2 emissions in off-highway equipment. The article also highlights the exploration of alternative engine solutions in the aircraft industry, where hydrogen technology is being considered due to the limitations of electric technology for aircraft. Emphasizing the importance of collaboration, the article points out successful partnerships like Yamaha and Caterham working together for sustainable solutions, promoting a collective approach for a more sustainable and carbon-neutral future.