Japanese carmakers such as Nissan, Mazda, Subaru, and Toyota are shifting their focus towards developing a new type of clean energy: cellulosic ethanol made from grass, wood, and recycled paper in collaboration with ENEOS, a major energy company. This innovative approach aims to address the limitations of traditional biofuels derived from food crops by tapping into non-food biomass resources that would otherwise go to waste. Cellulosic ethanol has the potential to reduce greenhouse gas emissions significantly, offering a sustainable solution for the automotive industry. The fuel is currently being tested in Japan's Super Taikyu racing series, demonstrating its performance under demanding conditions. While electric vehicles are gaining traction, Japanese automakers emphasize the importance of a diversified approach to clean transportation. Yuichiro Fujiyama, ENEOS's Chief Technology Officer, highlights the role of hybrid and combustion vehicles in reducing CO2 emissions if cleaner fuels are used. Drawing inspiration from Brazil's success with ethanol blends, Japanese car manufacturers are optimistic about the potential for carbon-neutral fuels in the market. The industry acknowledges that a mix of solutions, including electric, hybrid, and low-carbon fuels, will be crucial in achieving global climate targets. Subaru's Chief Technology Officer, Tetsuo Fujinuki, emphasizes that carbon-neutral fuels offer a way to maintain the experience of combustion engines while moving towards net-zero emissions. The industry is aware of the challenges ahead, from scaling up production to ensuring the reliability of the new fuels in existing vehicles. Despite these obstacles, the focus remains on making smarter adjustments in the transportation sector to pave the way for a greener future. Supporting alternative fuels, considering hybrid options, and staying informed are highlighted as steps individuals can take towards a more sustainable automotive industry.