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There are tons of reasons why "fuel based technologies", which is really an odd statement as even most of renewable energy sources are fuel based on some level, primary among them is we still have a fairly large shortfall between the world energy demands and its energy producing capacity. A situation that will only get worse as we increase our capacity for creating energy ironically enough. It would be irresponsible to not work the problem from every angle possible. This means working on solar, wind, nuclear fission and fusion, and even better fossil fuel facilities, for now. As well as on working on increasing our efficiency in consuming and delivering energy.
Neither side of the great energy debate wants to hear it, but we are decades away, at best, from a real solution to the problem. And attacking the solutions you don't like don't gain anyone a thing. If you think one solution is the best one then do what you can to support it. Technology wars are won by one side winning via whatever merits, not attacking opposing technologies.
"What follows is our look at AMD R6-series image quality as it stands, and it's one that focuses on the AA down-filter more than anything else. It's where AMD have changed the game the most, introducing forward-looking custom filters...
"A complex system that works is invariably found to have evolved from a simple system that worked." -- John Gall, _Systemantics_