Today promises to be significant for UK based Riversimple, when it unveils its first production intent car - a two-seat hydrogen fuel cell urban car.
The company designed the so-called Hyrban to achieve 300mpg and calculates that it will have well-to-wheel carbon dioxide (CO2) emissions of 31g/km when fuelled with hydrogen produced via steam methane.
The car has some impressive credentials. Despite its environmental stance, the Hyrban achieves a top speed of 50mph and can accelerate from 0-30mph in 5.5 seconds. The company has now established an open source foundation to help advance the vehicle’s development.
Riversimple hope that Hyrban will implement a network electric powertrain in that the different components of the car’s electrical system allow electricity to pass in multiple directions to the motors and ultracapacitors. Almost all of its braking is achieved by the electric motors and this energy is then stored and can provide 80 per cent of the power required for acceleration.
The company states that no one technology can be as versatile as the internal combustion engine has been and that different types of vehicles will fill different niches. It believes battery power will be more efficient over short distances but that hydrogen fuel cell power will be superior over long ranges of 150 miles and more, and will emerge as the most efficient and flexible choice.
The plan is to lease the cars not sell them and fuelling will be included in the lease costs.
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