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Toyota GR Yaris H2 is hydrogen-fuelled scorching hatchback | Autocar

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The Toyota GR Yaris H2 is a hydrogen-fuelled, combustion-engined idea model of the model’s acclaimed four-wheel-drive scorching hatchback.

It has been proven at Toyota’s annual Kenshiki discussion board, throughout which the Japanese producer closely strengthened its dedication to hydrogen powertrain growth as an alternative choice to all-out electrification.

Toyota has been testing hydrogen-combustion know-how for a number of months now, utilizing a flippantly modified Corolla touring automobile – which makes use of a hydrogen-fuelled model of the GR Yaris’s 1.6-litre turbo three-pot – in Japan’s Tremendous Taikyu race collection.

Hydrogen-combustion know-how, Toyota says, permits automobiles to turn out to be zero-emission comparatively affordably because it permits producers to take advantage of “present inner combustion engine know-how and manufacturing funding”. 

Utilizing this know-how, Toyota’s Europe CEO Matt Harrison stated, would enable Toyota to “ship virtually zero tailpipe emissions with out electrification, however it does so while retaining the issues which followers love most about race automobiles – the velocity and the noise.”

“Music to the ears,” he stated, “particularly to these of a petrolhead.”

The GR Yaris H2 makes use of the identical unit because the Corolla racer, with minimal modifications from commonplace, and has the identical refuelling {hardware} because the model’s Mirai manufacturing automobile. 

The refined mechanical modifications are restricted to strengthening the block (as hydrogen explodes extra violently than petrol), new valve seats and an upgraded injection system. Powertrain boss Thiebauld Paquet estimated that it could obtain “comparable efficiencies” to its unmodified petrol counterpart, however efficiency particulars stay beneath wraps.

Talking after the idea’s reveal, Paquet instructed Autocar: “Once we began it, we created a little bit of vibration and a little bit of noise, so it was clear and obvious the way it sounds. That was one of many issues we needed to reveal: in comparison with gasoline cell know-how, which may be very quiet, you may nonetheless get this sense from sport, the place you may hear and really feel the automobile.

“Within the first occasion, it’s an idea. The thought is to make use of sports activities to seek out out the difficulties and the way we are able to speed up, how we are able to shortly come to enhancements within the know-how.”

Toyota has not confirmed the manufacturing potential of the GR Yaris H2, however Harrison stated this know-how means zero-emission motoring “needn’t be a distant future”. 

He stated: “The uplifting message of the GR Yaris H2 is that this: even in a zero-emissions future, we may nonetheless take pleasure in motoring thrills just like these we take pleasure in as we speak.”

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