Carbon based pollution will be tremendously reduced when cars that are powered by the sun become widely available. But, there are other devices that work well on solar energy. Solar powered generators can be purchased, and are a great source of energy in emergencies.
Your solar panels' density will impact their efficiency. Getting high density solar panels may cost you quite a bit, but after a while they'll pay for themselves because they produce more power. Be sure and compare densities before choosing a solar panel.
This unit has some weird schematic oddities that are slightly perplexing. Is the first transistor acting like a regulator? Why is there a diode in series with the shunt …
Do the math prior to investing in solar power. Not every location is a good bet to deliver energy savings. The best option is to look into the costs and the potential earnings (based off your sun conditions) to see what the costs will really be like. Sometimes, it'll be way more costly to use solar.