The future is not what it used to be.
In the 1990s, the push for electric vehicles gained momentum in response to national security concerns over our reliance on imported fuels and tailpipe emissions.
This video examines solar water heating. Solar water heating is one of the most cost effective ways to use solar energy. Though there are many different types of solar water-heating systems, the basic technology is very simple and illustrated in this video.
Runtime is 2 minutes 8 seconds.
Video produced by the Arizona Department of Commerce Energy Office under a
grant from the Million Solar Roof program of the US Department of Energy.