I don’t have data on market share of Ohmium electrolyser. So no comment.
With regards to Mirai or to that extent any Hydrogen Fuel Cell Car – there is no seperate design for Green hydrogen Fuel Cell car or Blue hydrogen fuel cell car. All fuel cell cars are designed to run on hydrogen fuel as input to be stored in the car’s fuel tank- irrespective of the origin of Hydrogen.
So Mirai fuel cell car can run any hydrogen whether green , blue or grey.
if Mirai gets hydrogen , which is produced from renewable sources solar/wind and electrolyser , then we say that this car uses Green hydrogen.
On board production of Hydrogen in the car by help of electrolyser from water and a fuel cell to produce electricity is something more complicated and still remains a concept.
The other existing car design which is also popular in many countries is a standard Hydrogen car with IC engine which will burn hydrogen just like petrol diesel engine – but the car fuel tank will be filled with hydrogen in place of petrol diesel – and the combustion product here is only Water/ steam which could drip on roads. But zero exhaust emissions when compared with diesel petrol engine .
This kind of hydrogen car is less expensive than FCEV. FECV does not have any combustion process.
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