Other than going towards highly efficient solar cell materials, another approach in mitigating this low efficiency issue is by developing solar applications that would require less power.
coal and emission markets, and participate in both European and US trading floors.
(The trick is, of course, getting people to become members.
Just talk about something people are interested in and eventually
it gets to a point where people are willing to pay for more (consulting
services, coaching programs etc. These pipe fittings work efficiently both in high and low temperatures.
Some solar water heating systems are nothing more that an old water heater tank painted flat
black and housed in an insulated box with a glass window
facing the sun.