How efficient do they have to be? If they can beat the price of gas then I'd say you have a market. We have used ICE for a very long time and they are not efficient at all.
Providing charging in places like this is going to require significant investments. Who is going to pay for that all? I don't see that happening any time soon. At lest Germany isn't even close to the goal of 1millions EVs on the road in 2020. And even if we reached that it's not close to an amount of cars that such investments make sense. So at best we are looking at a 10-15 year timeframe where something like that might be considered.
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Really? Digging up almost every street in living areas to lay cable is going to be cheaper than equipping a certain percentage of gas stations with hydrogen?
And again who pays for it? At least here in Germany cities usually don't exactly have a lot of money. Compared to larger chemical companies who can easily make investments into hydrogen if they see a market (
The Linde Group - Wikipedia, the free encyclopedia). Am I a big fan of that? Not really, but to me it just seems like that is much more likely to happen.