It comes from fission. All that U235 splits into other elements, which then split further down the line.

Solar cells do not use mirrors unless you're Solyndra. Anyway, the amount of silver is fairly low since only a very thin layer is required.

There are a lot of other costs involved with coal. Unlike China, the US requires scrubbers on all of the smoke stacks, then there's the storage of all of the ash left over, transportation costs for the coal, etc. That's why natural gas is overtaking coal. You just shove natural gas into a pipe and pull it out the other end. No long line of train cars, no scrubbers, no ash to deal with.

Your link is outdated and only considers a limited number of battery technologies, i.e. lead acid. There are many promising grid storage type batteries that are cheap and can handle far more cycles with greater energy density, such as liquid metal and liquid salt batteries. For areas with hydroelectric power there's pumped storage which is around 70% efficient. With pumped storage when there's excess supply water is pumped back into the resivoir. There's also flywheel storage, compressed air, molten salt, gravitational potential energy and many other storage methods. See http://en.wikipedia.org/wiki/Energy_storage.

You also must take into account the electricity being pumped back into the grid during times of peak demand. It's helping reduce the utility's non base-load generation which is generally quite expensive compared to the base load generation.

It makes me glad that in my state they have added rules limiting stupid things HOAs try and do. HOAs cannot prevent solar from being installed and they must allow EV charging to be installed. The latest HOA laws prevent HOAs from requiring residents to water or prevent from putting in plants that require little water... we're in a major drought and some HOAs tried to fine people who wouldn't water their lawns or who put in low-water plants.

Thankfully I don't have to deal with an HOA.

We evolved in Africa, but we also evolved *after* Africa, and I guess we continue to evolve. Yes, I know that while we were in Africa we were not eating wholly beasts, but we certainly did for a long period during the last glaciation, that's what I was referring to. I'd say 30,000 years (or whatever) of eating Mammoth probably gave us a taste for them.

They already had one hydrogen fire at the hydrogen fueling station in my county for the county fuel-cell powered buses, and this isn't some place where idiot joe public can fill up their car.

The problem is that it takes a horrendous amount of electricity for electrolysis compared to steam reforming and it is far far more expensive, that's even with the catalysts available. 95% of all commercial hydrogen produced uses steam reformed natural gas. The cost difference is very significant.

Unlike EVs a lot more public refueling stations are required. For example with my Tesla I do most of my charging at home overnight where it takes me 5 seconds to plug in and 5 seconds to unplug. The rapid charging stations and battery swap stations (when they're built) are only needed for long trips. For HFC vehicles a lot more filling stations will be required since most people will not be filling up at home or work. Many companies (though not mine) offer EV charging stations to their employees so they can charge their cars while they work. For people who live in apartment complexes it is a bit more complicated, but as time goes on they'll start installing charging stations there for their tenants, in fact this is already happening.

A hydrogen filling station costs far far more than an EV charging station, anywhere from 500K to 5 million. It's estimated that Tesla pays around $100-200K for their supercharger stations which are generally only needed for long distance travel. Slower commercial charging stations cost a few thousand dollars. The cost of the charging stations is also dropping. An EV charging station can be built any place there's electricity. I have a coworker who just uses a regular 120v outlet to charge her Leaf. In my case I can charge just about anywhere. I can charge at most RV parks though it's a lot slower than the supercharger stations.

You're lucky, my price has more then doubled and my connection speed is still 12MBs per hour. I'm about 45 miles from downtown Vancouver.

$70 would equal $100+ in Canada. We're a large sparsely populated country and most everything costs about a 1/3rd more then the States (even more compared to the Southern States)

In Canada the Provinces run the healthcare with the Federal Govt setting the minimum baseline and transferring money between the rich and poor Provinces.
Each province is similar but not exactly the same when it comes to health care which is why it's kind of funny when other countries talk about wait lists and such in Canada as it's a generalization.

Not even pacifists, just unwilling to do preventive killings.

We were around while these beasts roamed the earth, and may have had a hand in their disappearance to begin with. Given that our ancestors evolved to eat these animals, my personal theory is that Mammoth meat is perfect, and thus it's likely to be the tastiest meat there is. I for one, am looking forward to cloning enough of these that we could grow them for meat.