First a GR Yaris, now a 5.0 V8 - Toyota confirms its faith in hydrogen power
revealed at the end of last year, in fact. Similarly to that car, the 2UR has been modified extensively to accommodate the alternative fuel, with changes to the inlet manifold, cylinder head and injectors.
There's plenty to be encouraged by with this new engine, not least the power. Yamaha claims the hydrogen V8 is producing 450hp at 6,800rpm, which isn't far off the petrol version's 477hp at 7,100rpm. Torque is actually rated at a little higher than standard, with 398lb ft at 3,600rpm, against 391lb ft from 4,800rpm-5,600rpm.
There's the noise to think about, too, which has always been a selling point of these V8-powered Lexuses - even if long gear ratios have kept the best bits largely out of reach. Takeshi Yamada, part of Yamaha's R&D team that's been developing hydrogen engines for around five years, described the sound of a combustion engine as"a challenge we can sink out teeth into".
Let's not get ahead of ourselves, though, as this news doesn't immediately mean hydrogen V8s for everyone that wants one. The technology is still being tested in Toyota's Super Taikyu Corolla touring car, and hydrogen remains just one pillar of its strategy to achieve carbon neutrality by 2050. Toyota knows the risks of putting all the eggs in one basket, having launched the Prius 25 years ago as a tech trailblazer - but only adding a plug-in option after rivals already offered it.
Of course, you can forget about a confirmed date for a hydrogen V8 going in a Lexus, but it's proof of the concept if nothing else. We'll leave the final word to Yamaha Motor president Yoshihiro Hidaka:"We are working toward achieving carbon neutrality by 2050..."At the same time, 'Motor' is in our company name and we accordingly have a strong passion for and level of commitment to the internal combustion engine." Hear, hear, Mr Hidaka.
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