"Australian scientists have found a way of hugely increasing the efficiency of solar panels while substantially reducing their cost."
Did you ignore the part of TFA that was about cost reduction?
Did you ignore the part of TFA that was about cost reduction?
Silicon wafers account for more than half the cost of making a solar cell. "By using lower-quality silicon, you can drastically reduce that cost," he said.
Although there is no shortage of rooftop space, you could still fit them into places where there currently isn't so much space. Perhaps, at some point, we could put them on top of electric cars, making them less dependent on charging sockets.