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Toyota's New Engine: No Need For Electric Motors?
Toyota has created a new internal combustion engine (ICE) that can run on gasoline, synthetic fuel, biodiesel, and hydrogen. This innovation emerged from their work with the hydrogen-powered GR Corolla race car. Toyota remains committed to ICE development despite industry trends pushing towards electric vehicles (EVs).
The company has faced criticism for its stance on EVs and involvement in industry advocacy groups. However, Toyota aims for carbon neutrality through a "multi-pathway approach".
This includes battery electric vehicles, plug-in hybrids, conventional hybrids, and ICE cars. The advancement in hydrogen technology plays a key role in this strategy.
The new engine is a result of Toyota's efforts to make hydrogen combustion viable. Engineers used a 1.6-litre engine from the GR Corolla, which was successfully raced in the Super Taikyu Series. A challenge was balancing thermal efficiency as hydrogen burns faster and hotter than gasoline. Lessons from the GR Corolla helped Toyota's engineers overcome this.
Technological Advances and Efficiency
Chief Technology Officer Hiroki Nakajima stated that developing the hydrogen racer improved their understanding of engine heat efficiency. These new engines, thanks to engineering advances, can be 10 to 20 percent smaller while being more fuel-efficient and powerful. The goal is to use these engines in hybrid drivetrains initially.
Toyota has developed a 1.5-litre engine with turbo and naturally aspirated configurations, and a 2.0-litre turbocharged version. These engines have shorter strokes and less torque but will work with electric motors to fill performance gaps. The engines will start appearing in time for new Euro 7 emissions regulations.
DriveSpark Thinks
The specifications are currently under wraps, but the long-term plan includes developing engines that run on carbon-neutral fuels. Toyota's commitment to ICE development continues despite external pressures.
It remains to be seen if this approach will benefit Toyota in the long term. Nonetheless, the company is dedicated to a future including internal combustion engines, regardless of opposing views.
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