I've been seeing a ton of concept cars that either run on electricity, air and even hydrogen, and water! i was just wondering when we will actually start seeing these magnificent concept cars as our actual cars. i think it would be really awesome. I understand that these cars are not the typical car standards we have for normal gas powered cars, and that is one of the reasons why they are not in the market yet, but why is it taking so long? why is this such a long process? i may sound ignorant, but it just caught my attention for no apparent reason. I also want to know why house roofs today can't be built with solar panels rather than shingles to power individual houses without paying electricity. im not just talkin' for rich people, but for the standard home for everyone since power is becoming dim for our endless population growth. i know it would be hella expensive but wouldn't it be worth in the long run? thanks if u answered without being a smart-*** lol.....
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