silicon

Applied Materials is cutting its SunFab line of equipment to make amorphous-silicon solar panels. The move marks the end of the semiconductor-equipment giant's big thin-film solar ambitions. What's next for AMAT?

Among its many claims to fame, Silicon Valley is the birthplace of the Tesla, one of the world's fastest all-electric cars. But could the innovation hub's efforts to become a leader in clean technology be running out of juice? Some of the region's leaders think so, saying that other countries are...