Or we could switch to natural gases like propane which is waaaay cheaper, cleaner, runs better, and is more abundant than any other fuel source in the world. Hell, all you'd have to do is change the piping in the engine and boom, it's done. But I guess that's never gonna happen.
Also, the article still says its a prospect. For all we know it may never fully get off the ground could end up being a waste of money to solve a problem that doesn't exist.
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Natural gas is cheaper, but it isn't cleaner. There are massive methane emissions that go along with its extraction, and it isn't net-zero for carbon emissions once in use. Then there is the whole issue of fracking to deal with, since that extraction method is why it's so cheap in the first place. But fracking also results in large quantities of waste water, often involves toxic chemicals, and it has been suggested by recent studies that the breaking up of parts of the earth's crust can result in intensified earthquakes. It's cleaner than coal and oil, but that's not saying too much. Keep in mind that most of the people saying it is so clean are the people selling it
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Wrong wrong and also wrong. My grand-uncle converted every truck he owned in his fleet to propane and they were much cleaner, cheaper, and had better gas mileage. Go watch FrackNation and watch those fracking myths fall apart.
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So your proof is an anecdote (and he switched from what, exactly? Fossil fuels? Because I said that's cleaner. But it is literally impossible for it to be cleaner than net-zero) and a crowd-sourced documentary.
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The problem is one that certainly exists. And while natural gas would reduce total emissions, it still adds carbon to the atmosphere. This fuel uses carbon that's already in the air, so it doesn't add extra carbon. For it to take off its just about Audi increasing the scale at which it is produced.
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It's a cool idea but still.